20119740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3457}}^1$

素因数の和:3566

約数の個数: 48

約数和(自身を含む): 56932512

約数和(自身を除く): 36812772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3457, 5820, 6914, 10371, 13828, 17285, 20742, 34570, 41484, 51855, 69140, 103710, 207420, 335329, 670658, 1005987, 1341316, 1676645, 2011974, 3353290, 4023948, 5029935, 6706580, 10059870, 20119740]

約数ペア:

[(1, 20119740), (2, 10059870), (3, 6706580), (4, 5029935), (5, 4023948), (6, 3353290), (10, 2011974), (12, 1676645), (15, 1341316), (20, 1005987), (30, 670658), (60, 335329), (97, 207420), (194, 103710), (291, 69140), (388, 51855), (485, 41484), (582, 34570), (970, 20742), (1164, 17285), (1455, 13828), (1940, 10371), (2910, 6914), (3457, 5820)]