20172775380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1\times {\mathrm{8861}}^1$

素因数の和:10889

約数の個数: 96

約数和(自身を含む): 59493087360

約数和(自身を除く): 39320311980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1997, 3994, 5991, 7988, 8861, 9985, 11982, 17722, 19970, 23964, 26583, 29955, 35444, 37943, 39940, 44305, 53166, 59910, 75886, 88610, 106332, 113829, 119820, 132915, 151772, 168359, 177220, 189715, 227658, 265830, 336718, 379430, 455316, 505077, 531660, 569145, 673436, 758860, 841795, 1010154, 1138290, 1683590, 2020308, 2276580, 2525385, 3367180, 5050770, 10101540, 17695417, 35390834, 53086251, 70781668, 88477085, 106172502, 176954170, 212345004, 265431255, 336212923, 353908340, 530862510, 672425846, 1008638769, 1061725020, 1344851692, 1681064615, 2017277538, 3362129230, 4034555076, 5043193845, 6724258460, 10086387690, 20172775380]

約数ペア:

[(1, 20172775380), (2, 10086387690), (3, 6724258460), (4, 5043193845), (5, 4034555076), (6, 3362129230), (10, 2017277538), (12, 1681064615), (15, 1344851692), (19, 1061725020), (20, 1008638769), (30, 672425846), (38, 530862510), (57, 353908340), (60, 336212923), (76, 265431255), (95, 212345004), (114, 176954170), (190, 106172502), (228, 88477085), (285, 70781668), (380, 53086251), (570, 35390834), (1140, 17695417), (1997, 10101540), (3994, 5050770), (5991, 3367180), (7988, 2525385), (8861, 2276580), (9985, 2020308), (11982, 1683590), (17722, 1138290), (19970, 1010154), (23964, 841795), (26583, 758860), (29955, 673436), (35444, 569145), (37943, 531660), (39940, 505077), (44305, 455316), (53166, 379430), (59910, 336718), (75886, 265830), (88610, 227658), (106332, 189715), (113829, 177220), (119820, 168359), (132915, 151772)]