20171100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 59246208

約数和(自身を除く): 39075108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 142, 150, 213, 284, 300, 355, 426, 710, 852, 947, 1065, 1420, 1775, 1894, 2130, 2841, 3550, 3788, 4260, 4735, 5325, 5682, 7100, 9470, 10650, 11364, 14205, 18940, 21300, 23675, 28410, 47350, 56820, 67237, 71025, 94700, 134474, 142050, 201711, 268948, 284100, 336185, 403422, 672370, 806844, 1008555, 1344740, 1680925, 2017110, 3361850, 4034220, 5042775, 6723700, 10085550, 20171100]

約数ペア:

[(1, 20171100), (2, 10085550), (3, 6723700), (4, 5042775), (5, 4034220), (6, 3361850), (10, 2017110), (12, 1680925), (15, 1344740), (20, 1008555), (25, 806844), (30, 672370), (50, 403422), (60, 336185), (71, 284100), (75, 268948), (100, 201711), (142, 142050), (150, 134474), (213, 94700), (284, 71025), (300, 67237), (355, 56820), (426, 47350), (710, 28410), (852, 23675), (947, 21300), (1065, 18940), (1420, 14205), (1775, 11364), (1894, 10650), (2130, 9470), (2841, 7100), (3550, 5682), (3788, 5325), (4260, 4735)]