20398544

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{34457}}^1$

素因数の和:34502

約数の個数: 20

約数和(自身を含む): 40591524

約数和(自身を除く): 20192980

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 34457, 68914, 137828, 275656, 551312, 1274909, 2549818, 5099636, 10199272, 20398544]

約数ペア:

[(1, 20398544), (2, 10199272), (4, 5099636), (8, 2549818), (16, 1274909), (37, 551312), (74, 275656), (148, 137828), (296, 68914), (592, 34457)]