20487610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14327}}^1$

素因数の和:14358

約数の個数: 32

約数和(自身を含む): 43327872

約数和(自身を除く): 22840262

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14327, 28654, 71635, 143270, 157597, 186251, 315194, 372502, 787985, 931255, 1575970, 1862510, 2048761, 4097522, 10243805, 20487610]

約数ペア:

[(1, 20487610), (2, 10243805), (5, 4097522), (10, 2048761), (11, 1862510), (13, 1575970), (22, 931255), (26, 787985), (55, 372502), (65, 315194), (110, 186251), (130, 157597), (143, 143270), (286, 71635), (715, 28654), (1430, 14327)]