20783154

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 27939534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 223, 294, 317, 446, 634, 669, 951, 1338, 1561, 1902, 2219, 3122, 4438, 4683, 6657, 9366, 10927, 13314, 15533, 21854, 31066, 32781, 46599, 65562, 70691, 93198, 141382, 212073, 424146, 494837, 989674, 1484511, 2969022, 3463859, 6927718, 10391577, 20783154]

約数ペア:

[(1, 20783154), (2, 10391577), (3, 6927718), (6, 3463859), (7, 2969022), (14, 1484511), (21, 989674), (42, 494837), (49, 424146), (98, 212073), (147, 141382), (223, 93198), (294, 70691), (317, 65562), (446, 46599), (634, 32781), (669, 31066), (951, 21854), (1338, 15533), (1561, 13314), (1902, 10927), (2219, 9366), (3122, 6657), (4438, 4683)]