20738267760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{14713}}^1$

素因数の和:15575

約数の個数: 160

約数和(自身を含む): 73565291520

約数和(自身を除く): 52827023760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 839, 840, 1678, 1680, 2517, 3356, 4195, 5034, 5873, 6712, 8390, 10068, 11746, 12585, 13424, 14713, 16780, 17619, 20136, 23492, 25170, 29365, 29426, 33560, 35238, 40272, 44139, 46984, 50340, 58730, 58852, 67120, 70476, 73565, 88095, 88278, 93968, 100680, 102991, 117460, 117704, 140952, 147130, 176190, 176556, 201360, 205982, 220695, 234920, 235408, 281904, 294260, 308973, 352380, 353112, 411964, 441390, 469840, 514955, 588520, 617946, 704760, 706224, 823928, 882780, 1029910, 1177040, 1235892, 1409520, 1544865, 1647856, 1765560, 2059820, 2471784, 3089730, 3531120, 4119640, 4943568, 6179460, 8239280, 12344207, 12358920, 24688414, 24717840, 37032621, 49376828, 61721035, 74065242, 86409449, 98753656, 123442070, 148130484, 172818898, 185163105, 197507312, 246884140, 259228347, 296260968, 345637796, 370326210, 432047245, 493768280, 518456694, 592521936, 691275592, 740652420, 864094490, 987536560, 1036913388, 1296141735, 1382551184, 1481304840, 1728188980, 2073826776, 2592283470, 2962609680, 3456377960, 4147653552, 5184566940, 6912755920, 10369133880, 20738267760]

約数ペア:

[(1, 20738267760), (2, 10369133880), (3, 6912755920), (4, 5184566940), (5, 4147653552), (6, 3456377960), (7, 2962609680), (8, 2592283470), (10, 2073826776), (12, 1728188980), (14, 1481304840), (15, 1382551184), (16, 1296141735), (20, 1036913388), (21, 987536560), (24, 864094490), (28, 740652420), (30, 691275592), (35, 592521936), (40, 518456694), (42, 493768280), (48, 432047245), (56, 370326210), (60, 345637796), (70, 296260968), (80, 259228347), (84, 246884140), (105, 197507312), (112, 185163105), (120, 172818898), (140, 148130484), (168, 123442070), (210, 98753656), (240, 86409449), (280, 74065242), (336, 61721035), (420, 49376828), (560, 37032621), (839, 24717840), (840, 24688414), (1678, 12358920), (1680, 12344207), (2517, 8239280), (3356, 6179460), (4195, 4943568), (5034, 4119640), (5873, 3531120), (6712, 3089730), (8390, 2471784), (10068, 2059820), (11746, 1765560), (12585, 1647856), (13424, 1544865), (14713, 1409520), (16780, 1235892), (17619, 1177040), (20136, 1029910), (23492, 882780), (25170, 823928), (29365, 706224), (29426, 704760), (33560, 617946), (35238, 588520), (40272, 514955), (44139, 469840), (46984, 441390), (50340, 411964), (58730, 353112), (58852, 352380), (67120, 308973), (70476, 294260), (73565, 281904), (88095, 235408), (88278, 234920), (93968, 220695), (100680, 205982), (102991, 201360), (117460, 176556), (117704, 176190), (140952, 147130)]