20216272440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{4051}}^1$

素因数の和:4542

約数の個数: 256

約数和(自身を含む): 74826501120

約数和(自身を除く): 54610228680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 457, 520, 546, 728, 780, 840, 910, 914, 1092, 1365, 1371, 1560, 1820, 1828, 2184, 2285, 2730, 2742, 3199, 3640, 3656, 4051, 4570, 5460, 5484, 5941, 6398, 6855, 8102, 9140, 9597, 10920, 10968, 11882, 12153, 12796, 13710, 15995, 16204, 17823, 18280, 19194, 20255, 23764, 24306, 25592, 27420, 28357, 29705, 31990, 32408, 35646, 38388, 40510, 41587, 47528, 47985, 48612, 52663, 54840, 56714, 59410, 60765, 63980, 71292, 76776, 81020, 83174, 85071, 89115, 95970, 97224, 105326, 113428, 118820, 121530, 124761, 127960, 141785, 142584, 157989, 162040, 166348, 170142, 178230, 191940, 207935, 210652, 226856, 237640, 243060, 249522, 263315, 283570, 315978, 332696, 340284, 356460, 368641, 383880, 415870, 421304, 425355, 486120, 499044, 526630, 567140, 623805, 631956, 680568, 712920, 737282, 789945, 831740, 850710, 998088, 1053260, 1105923, 1134280, 1247610, 1263912, 1474564, 1579890, 1663480, 1701420, 1843205, 1851307, 2106520, 2211846, 2495220, 2949128, 3159780, 3402840, 3686410, 3702614, 4423692, 4990440, 5529615, 5553921, 6319560, 7372820, 7405228, 8847384, 9256535, 11059230, 11107842, 12959149, 14745640, 14810456, 18513070, 22118460, 22215684, 24066991, 25918298, 27769605, 37026140, 38877447, 44236920, 44431368, 48133982, 51836596, 55539210, 64795745, 72200973, 74052280, 77754894, 96267964, 103673192, 111078420, 120334955, 129591490, 144401946, 155509788, 168468937, 192535928, 194387235, 222156840, 240669910, 259182980, 288803892, 311019576, 336937874, 361004865, 388774470, 481339820, 505406811, 518365960, 577607784, 673875748, 722009730, 777548940, 842344685, 962679640, 1010813622, 1347751496, 1444019460, 1555097880, 1684689370, 2021627244, 2527034055, 2888038920, 3369378740, 4043254488, 5054068110, 6738757480, 10108136220, 20216272440]

約数ペア:

[(1, 20216272440), (2, 10108136220), (3, 6738757480), (4, 5054068110), (5, 4043254488), (6, 3369378740), (7, 2888038920), (8, 2527034055), (10, 2021627244), (12, 1684689370), (13, 1555097880), (14, 1444019460), (15, 1347751496), (20, 1010813622), (21, 962679640), (24, 842344685), (26, 777548940), (28, 722009730), (30, 673875748), (35, 577607784), (39, 518365960), (40, 505406811), (42, 481339820), (52, 388774470), (56, 361004865), (60, 336937874), (65, 311019576), (70, 288803892), (78, 259182980), (84, 240669910), (91, 222156840), (104, 194387235), (105, 192535928), (120, 168468937), (130, 155509788), (140, 144401946), (156, 129591490), (168, 120334955), (182, 111078420), (195, 103673192), (210, 96267964), (260, 77754894), (273, 74052280), (280, 72200973), (312, 64795745), (364, 55539210), (390, 51836596), (420, 48133982), (455, 44431368), (457, 44236920), (520, 38877447), (546, 37026140), (728, 27769605), (780, 25918298), (840, 24066991), (910, 22215684), (914, 22118460), (1092, 18513070), (1365, 14810456), (1371, 14745640), (1560, 12959149), (1820, 11107842), (1828, 11059230), (2184, 9256535), (2285, 8847384), (2730, 7405228), (2742, 7372820), (3199, 6319560), (3640, 5553921), (3656, 5529615), (4051, 4990440), (4570, 4423692), (5460, 3702614), (5484, 3686410), (5941, 3402840), (6398, 3159780), (6855, 2949128), (8102, 2495220), (9140, 2211846), (9597, 2106520), (10920, 1851307), (10968, 1843205), (11882, 1701420), (12153, 1663480), (12796, 1579890), (13710, 1474564), (15995, 1263912), (16204, 1247610), (17823, 1134280), (18280, 1105923), (19194, 1053260), (20255, 998088), (23764, 850710), (24306, 831740), (25592, 789945), (27420, 737282), (28357, 712920), (29705, 680568), (31990, 631956), (32408, 623805), (35646, 567140), (38388, 526630), (40510, 499044), (41587, 486120), (47528, 425355), (47985, 421304), (48612, 415870), (52663, 383880), (54840, 368641), (56714, 356460), (59410, 340284), (60765, 332696), (63980, 315978), (71292, 283570), (76776, 263315), (81020, 249522), (83174, 243060), (85071, 237640), (89115, 226856), (95970, 210652), (97224, 207935), (105326, 191940), (113428, 178230), (118820, 170142), (121530, 166348), (124761, 162040), (127960, 157989), (141785, 142584)]