20088706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 36469440

約数和(自身を除く): 16380734

約数列:

[1, 2, 11, 22, 23, 29, 37, 46, 58, 74, 253, 319, 407, 506, 638, 667, 814, 851, 1073, 1334, 1369, 1702, 2146, 2738, 7337, 9361, 11803, 14674, 15059, 18722, 23606, 24679, 30118, 31487, 39701, 49358, 62974, 79402, 271469, 346357, 436711, 542938, 692714, 873422, 913123, 1826246, 10044353, 20088706]

約数ペア:

[(1, 20088706), (2, 10044353), (11, 1826246), (22, 913123), (23, 873422), (29, 692714), (37, 542938), (46, 436711), (58, 346357), (74, 271469), (253, 79402), (319, 62974), (407, 49358), (506, 39701), (638, 31487), (667, 30118), (814, 24679), (851, 23606), (1073, 18722), (1334, 15059), (1369, 14674), (1702, 11803), (2146, 9361), (2738, 7337)]