20732660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3467}}^1$

素因数の和:3512

約数の個数: 48

約数和(自身を含む): 48940416

約数和(自身を除く): 28207756

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3467, 5980, 6934, 13868, 17335, 34670, 45071, 69340, 79741, 90142, 159482, 180284, 225355, 318964, 398705, 450710, 797410, 901420, 1036633, 1594820, 2073266, 4146532, 5183165, 10366330, 20732660]

約数ペア:

[(1, 20732660), (2, 10366330), (4, 5183165), (5, 4146532), (10, 2073266), (13, 1594820), (20, 1036633), (23, 901420), (26, 797410), (46, 450710), (52, 398705), (65, 318964), (92, 225355), (115, 180284), (130, 159482), (230, 90142), (260, 79741), (299, 69340), (460, 45071), (598, 34670), (1196, 17335), (1495, 13868), (2990, 6934), (3467, 5980)]