20351312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74821}}^1$

素因数の和:74846

約数の個数: 20

約数和(自身を含む): 41750676

約数和(自身を除く): 21399364

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74821, 149642, 299284, 598568, 1197136, 1271957, 2543914, 5087828, 10175656, 20351312]

約数ペア:

[(1, 20351312), (2, 10175656), (4, 5087828), (8, 2543914), (16, 1271957), (17, 1197136), (34, 598568), (68, 299284), (136, 149642), (272, 74821)]