2020911525

素因数分解:

$3^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 3888766728

約数和(自身を除く): 1867855203

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 101, 123, 135, 205, 225, 241, 303, 369, 405, 505, 615, 675, 723, 909, 1025, 1107, 1205, 1515, 1845, 2025, 2169, 2525, 2727, 3075, 3321, 3615, 4141, 4545, 5535, 6025, 6507, 7575, 8181, 9225, 9881, 10845, 12423, 13635, 16605, 18075, 19521, 20705, 22725, 24341, 27675, 29643, 32535, 37269, 40905, 49405, 54225, 62115, 68175, 73023, 83025, 88929, 97605, 103525, 111807, 121705, 148215, 162675, 186345, 204525, 219069, 247025, 266787, 310575, 335421, 365115, 444645, 488025, 559035, 608525, 657207, 741075, 800361, 931725, 997981, 1095345, 1333935, 1677105, 1825575, 1971621, 2223225, 2795175, 2993943, 3286035, 4001805, 4989905, 5476725, 6669675, 8385525, 8981829, 9858105, 14969715, 16430175, 20009025, 24949525, 26945487, 44909145, 49290525, 74848575, 80836461, 134727435, 224545725, 404182305, 673637175, 2020911525]

約数ペア:

[(1, 2020911525), (3, 673637175), (5, 404182305), (9, 224545725), (15, 134727435), (25, 80836461), (27, 74848575), (41, 49290525), (45, 44909145), (75, 26945487), (81, 24949525), (101, 20009025), (123, 16430175), (135, 14969715), (205, 9858105), (225, 8981829), (241, 8385525), (303, 6669675), (369, 5476725), (405, 4989905), (505, 4001805), (615, 3286035), (675, 2993943), (723, 2795175), (909, 2223225), (1025, 1971621), (1107, 1825575), (1205, 1677105), (1515, 1333935), (1845, 1095345), (2025, 997981), (2169, 931725), (2525, 800361), (2727, 741075), (3075, 657207), (3321, 608525), (3615, 559035), (4141, 488025), (4545, 444645), (5535, 365115), (6025, 335421), (6507, 310575), (7575, 266787), (8181, 247025), (9225, 219069), (9881, 204525), (10845, 186345), (12423, 162675), (13635, 148215), (16605, 121705), (18075, 111807), (19521, 103525), (20705, 97605), (22725, 88929), (24341, 83025), (27675, 73023), (29643, 68175), (32535, 62115), (37269, 54225), (40905, 49405)]