20356798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 18828194

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 121, 122, 154, 197, 242, 394, 427, 671, 847, 854, 1342, 1379, 1694, 2167, 2758, 4334, 4697, 7381, 9394, 12017, 14762, 15169, 23837, 24034, 30338, 47674, 51667, 84119, 103334, 132187, 166859, 168238, 264374, 333718, 925309, 1454057, 1850618, 2908114, 10178399, 20356798]

約数ペア:

[(1, 20356798), (2, 10178399), (7, 2908114), (11, 1850618), (14, 1454057), (22, 925309), (61, 333718), (77, 264374), (121, 168238), (122, 166859), (154, 132187), (197, 103334), (242, 84119), (394, 51667), (427, 47674), (671, 30338), (847, 24034), (854, 23837), (1342, 15169), (1379, 14762), (1694, 12017), (2167, 9394), (2758, 7381), (4334, 4697)]