20209951008

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31567}}^1$

素因数の和:31621

約数の個数: 240

約数和(自身を含む): 67380001920

約数和(自身を除く): 47170050912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 288, 304, 312, 324, 342, 351, 416, 432, 456, 468, 494, 513, 608, 624, 648, 684, 702, 741, 864, 912, 936, 988, 1026, 1053, 1248, 1296, 1368, 1404, 1482, 1539, 1824, 1872, 1976, 2052, 2106, 2223, 2592, 2736, 2808, 2964, 3078, 3744, 3952, 4104, 4212, 4446, 5472, 5616, 5928, 6156, 6669, 7904, 8208, 8424, 8892, 11232, 11856, 12312, 13338, 16416, 16848, 17784, 20007, 23712, 24624, 26676, 31567, 33696, 35568, 40014, 49248, 53352, 63134, 71136, 80028, 94701, 106704, 126268, 160056, 189402, 213408, 252536, 284103, 320112, 378804, 410371, 505072, 568206, 599773, 640224, 757608, 820742, 852309, 1010144, 1136412, 1199546, 1231113, 1515216, 1641484, 1704618, 1799319, 2272824, 2399092, 2462226, 2556927, 3030432, 3282968, 3409236, 3598638, 3693339, 4545648, 4798184, 4924452, 5113854, 5397957, 6565936, 6818472, 7197276, 7386678, 7797049, 9091296, 9596368, 9848904, 10227708, 10795914, 11080017, 13131872, 13636944, 14394552, 14773356, 15594098, 16193871, 19192736, 19697808, 20455416, 21591828, 22160034, 23391147, 27273888, 28789104, 29546712, 31188196, 32387742, 33240051, 39395616, 40910832, 43183656, 44320068, 46782294, 48581613, 57578208, 59093424, 62376392, 64775484, 66480102, 70173441, 81821664, 86367312, 88640136, 93564588, 97163226, 118186848, 124752784, 129550968, 132960204, 140346882, 172734624, 177280272, 187129176, 194326452, 210520323, 249505568, 259101936, 265920408, 280693764, 354560544, 374258352, 388652904, 421040646, 518203872, 531840816, 561387528, 631560969, 748516704, 777305808, 842081292, 1063681632, 1122775056, 1263121938, 1554611616, 1684162584, 2245550112, 2526243876, 3368325168, 5052487752, 6736650336, 10104975504, 20209951008]

約数ペア:

[(1, 20209951008), (2, 10104975504), (3, 6736650336), (4, 5052487752), (6, 3368325168), (8, 2526243876), (9, 2245550112), (12, 1684162584), (13, 1554611616), (16, 1263121938), (18, 1122775056), (19, 1063681632), (24, 842081292), (26, 777305808), (27, 748516704), (32, 631560969), (36, 561387528), (38, 531840816), (39, 518203872), (48, 421040646), (52, 388652904), (54, 374258352), (57, 354560544), (72, 280693764), (76, 265920408), (78, 259101936), (81, 249505568), (96, 210520323), (104, 194326452), (108, 187129176), (114, 177280272), (117, 172734624), (144, 140346882), (152, 132960204), (156, 129550968), (162, 124752784), (171, 118186848), (208, 97163226), (216, 93564588), (228, 88640136), (234, 86367312), (247, 81821664), (288, 70173441), (304, 66480102), (312, 64775484), (324, 62376392), (342, 59093424), (351, 57578208), (416, 48581613), (432, 46782294), (456, 44320068), (468, 43183656), (494, 40910832), (513, 39395616), (608, 33240051), (624, 32387742), (648, 31188196), (684, 29546712), (702, 28789104), (741, 27273888), (864, 23391147), (912, 22160034), (936, 21591828), (988, 20455416), (1026, 19697808), (1053, 19192736), (1248, 16193871), (1296, 15594098), (1368, 14773356), (1404, 14394552), (1482, 13636944), (1539, 13131872), (1824, 11080017), (1872, 10795914), (1976, 10227708), (2052, 9848904), (2106, 9596368), (2223, 9091296), (2592, 7797049), (2736, 7386678), (2808, 7197276), (2964, 6818472), (3078, 6565936), (3744, 5397957), (3952, 5113854), (4104, 4924452), (4212, 4798184), (4446, 4545648), (5472, 3693339), (5616, 3598638), (5928, 3409236), (6156, 3282968), (6669, 3030432), (7904, 2556927), (8208, 2462226), (8424, 2399092), (8892, 2272824), (11232, 1799319), (11856, 1704618), (12312, 1641484), (13338, 1515216), (16416, 1231113), (16848, 1199546), (17784, 1136412), (20007, 1010144), (23712, 852309), (24624, 820742), (26676, 757608), (31567, 640224), (33696, 599773), (35568, 568206), (40014, 505072), (49248, 410371), (53352, 378804), (63134, 320112), (71136, 284103), (80028, 252536), (94701, 213408), (106704, 189402), (126268, 160056)]