20174704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 23036816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1451, 1738, 2902, 3476, 5804, 6952, 11608, 13904, 15961, 23216, 31922, 63844, 114629, 127688, 229258, 255376, 458516, 917032, 1260919, 1834064, 2521838, 5043676, 10087352, 20174704]

約数ペア:

[(1, 20174704), (2, 10087352), (4, 5043676), (8, 2521838), (11, 1834064), (16, 1260919), (22, 917032), (44, 458516), (79, 255376), (88, 229258), (158, 127688), (176, 114629), (316, 63844), (632, 31922), (869, 23216), (1264, 15961), (1451, 13904), (1738, 11608), (2902, 6952), (3476, 5804)]