20670704

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21179}}^1$

素因数の和:21248

約数の個数: 20

約数和(自身を含む): 40707960

約数和(自身を除く): 20037256

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21179, 42358, 84716, 169432, 338864, 1291919, 2583838, 5167676, 10335352, 20670704]

約数ペア:

[(1, 20670704), (2, 10335352), (4, 5167676), (8, 2583838), (16, 1291919), (61, 338864), (122, 169432), (244, 84716), (488, 42358), (976, 21179)]