20785515540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1\times {\mathrm{2473}}^1$

素因数の和:4529

約数の個数: 96

約数和(自身を含む): 59072944896

約数和(自身を除く): 38287429356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1973, 2130, 2473, 3946, 4260, 4946, 5919, 7419, 7892, 9865, 9892, 11838, 12365, 14838, 19730, 23676, 24730, 29595, 29676, 37095, 39460, 49460, 59190, 74190, 118380, 140083, 148380, 175583, 280166, 351166, 420249, 526749, 560332, 700415, 702332, 840498, 877915, 1053498, 1400830, 1680996, 1755830, 2101245, 2106996, 2633745, 2801660, 3511660, 4202490, 4879229, 5267490, 8404980, 9758458, 10534980, 14637687, 19516916, 24396145, 29275374, 48792290, 58550748, 73188435, 97584580, 146376870, 292753740, 346425259, 692850518, 1039275777, 1385701036, 1732126295, 2078551554, 3464252590, 4157103108, 5196378885, 6928505180, 10392757770, 20785515540]

約数ペア:

[(1, 20785515540), (2, 10392757770), (3, 6928505180), (4, 5196378885), (5, 4157103108), (6, 3464252590), (10, 2078551554), (12, 1732126295), (15, 1385701036), (20, 1039275777), (30, 692850518), (60, 346425259), (71, 292753740), (142, 146376870), (213, 97584580), (284, 73188435), (355, 58550748), (426, 48792290), (710, 29275374), (852, 24396145), (1065, 19516916), (1420, 14637687), (1973, 10534980), (2130, 9758458), (2473, 8404980), (3946, 5267490), (4260, 4879229), (4946, 4202490), (5919, 3511660), (7419, 2801660), (7892, 2633745), (9865, 2106996), (9892, 2101245), (11838, 1755830), (12365, 1680996), (14838, 1400830), (19730, 1053498), (23676, 877915), (24730, 840498), (29595, 702332), (29676, 700415), (37095, 560332), (39460, 526749), (49460, 420249), (59190, 351166), (74190, 280166), (118380, 175583), (140083, 148380)]