20082825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 42247296

約数和(自身を除く): 22164471

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 41, 45, 63, 75, 105, 123, 175, 205, 225, 287, 311, 315, 369, 525, 615, 861, 933, 1025, 1435, 1555, 1575, 1845, 2177, 2583, 2799, 3075, 4305, 4665, 6531, 7175, 7775, 9225, 10885, 12751, 12915, 13995, 19593, 21525, 23325, 32655, 38253, 54425, 63755, 64575, 69975, 89257, 97965, 114759, 163275, 191265, 267771, 318775, 446285, 489825, 573795, 803313, 956325, 1338855, 2231425, 2868975, 4016565, 6694275, 20082825]

約数ペア:

[(1, 20082825), (3, 6694275), (5, 4016565), (7, 2868975), (9, 2231425), (15, 1338855), (21, 956325), (25, 803313), (35, 573795), (41, 489825), (45, 446285), (63, 318775), (75, 267771), (105, 191265), (123, 163275), (175, 114759), (205, 97965), (225, 89257), (287, 69975), (311, 64575), (315, 63755), (369, 54425), (525, 38253), (615, 32655), (861, 23325), (933, 21525), (1025, 19593), (1435, 13995), (1555, 12915), (1575, 12751), (1845, 10885), (2177, 9225), (2583, 7775), (2799, 7175), (3075, 6531), (4305, 4665)]