20011290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3947}}^1$

素因数の和:3983

約数の個数: 48

約数和(自身を含む): 52018848

約数和(自身を除く): 32007558

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 3947, 5070, 7894, 11841, 19735, 23682, 39470, 51311, 59205, 102622, 118410, 153933, 256555, 307866, 513110, 667043, 769665, 1334086, 1539330, 2001129, 3335215, 4002258, 6670430, 10005645, 20011290]

約数ペア:

[(1, 20011290), (2, 10005645), (3, 6670430), (5, 4002258), (6, 3335215), (10, 2001129), (13, 1539330), (15, 1334086), (26, 769665), (30, 667043), (39, 513110), (65, 307866), (78, 256555), (130, 153933), (169, 118410), (195, 102622), (338, 59205), (390, 51311), (507, 39470), (845, 23682), (1014, 19735), (1690, 11841), (2535, 7894), (3947, 5070)]