20115060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1085

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 45687180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1019, 1316, 1410, 1645, 1974, 2038, 2820, 3057, 3290, 3948, 4076, 4935, 5095, 6114, 6580, 7133, 9870, 10190, 12228, 14266, 15285, 19740, 20380, 21399, 28532, 30570, 35665, 42798, 47893, 61140, 71330, 85596, 95786, 106995, 142660, 143679, 191572, 213990, 239465, 287358, 335251, 427980, 478930, 574716, 670502, 718395, 957860, 1005753, 1341004, 1436790, 1676255, 2011506, 2873580, 3352510, 4023012, 5028765, 6705020, 10057530, 20115060]

約数ペア:

[(1, 20115060), (2, 10057530), (3, 6705020), (4, 5028765), (5, 4023012), (6, 3352510), (7, 2873580), (10, 2011506), (12, 1676255), (14, 1436790), (15, 1341004), (20, 1005753), (21, 957860), (28, 718395), (30, 670502), (35, 574716), (42, 478930), (47, 427980), (60, 335251), (70, 287358), (84, 239465), (94, 213990), (105, 191572), (140, 143679), (141, 142660), (188, 106995), (210, 95786), (235, 85596), (282, 71330), (329, 61140), (420, 47893), (470, 42798), (564, 35665), (658, 30570), (705, 28532), (940, 21399), (987, 20380), (1019, 19740), (1316, 15285), (1410, 14266), (1645, 12228), (1974, 10190), (2038, 9870), (2820, 7133), (3057, 6580), (3290, 6114), (3948, 5095), (4076, 4935)]