20179779824

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74190367}}^1$

素因数の和:74190392

約数の個数: 20

約数和(自身を含む): 41398225344

約数和(自身を除く): 21218445520

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74190367, 148380734, 296761468, 593522936, 1187045872, 1261236239, 2522472478, 5044944956, 10089889912, 20179779824]

約数ペア:

[(1, 20179779824), (2, 10089889912), (4, 5044944956), (8, 2522472478), (16, 1261236239), (17, 1187045872), (34, 593522936), (68, 296761468), (136, 148380734), (272, 74190367)]