20513262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6343}}^1$

素因数の和:6373

約数の個数: 48

約数和(自身を含む): 52071552

約数和(自身を除く): 31558290

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6343, 12686, 19029, 38058, 44401, 69773, 88802, 133203, 139546, 209319, 266406, 310807, 418638, 488411, 621614, 932421, 976822, 1465233, 1864842, 2930466, 3418877, 6837754, 10256631, 20513262]

約数ペア:

[(1, 20513262), (2, 10256631), (3, 6837754), (6, 3418877), (7, 2930466), (11, 1864842), (14, 1465233), (21, 976822), (22, 932421), (33, 621614), (42, 488411), (49, 418638), (66, 310807), (77, 266406), (98, 209319), (147, 139546), (154, 133203), (231, 88802), (294, 69773), (462, 44401), (539, 38058), (1078, 19029), (1617, 12686), (3234, 6343)]