20270475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3956

約数の個数: 36

約数和(自身を含む): 37894896

約数和(自身を除く): 17624421

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 3917, 5175, 11751, 19585, 35253, 58755, 90091, 97925, 176265, 270273, 293775, 450455, 810819, 881325, 1351365, 2252275, 4054095, 6756825, 20270475]

約数ペア:

[(1, 20270475), (3, 6756825), (5, 4054095), (9, 2252275), (15, 1351365), (23, 881325), (25, 810819), (45, 450455), (69, 293775), (75, 270273), (115, 176265), (207, 97925), (225, 90091), (345, 58755), (575, 35253), (1035, 19585), (1725, 11751), (3917, 5175)]