20898032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76831}}^1$

素因数の和:76856

約数の個数: 20

約数和(自身を含む): 42872256

約数和(自身を除く): 21974224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76831, 153662, 307324, 614648, 1229296, 1306127, 2612254, 5224508, 10449016, 20898032]

約数ペア:

[(1, 20898032), (2, 10449016), (4, 5224508), (8, 2612254), (16, 1306127), (17, 1229296), (34, 614648), (68, 307324), (136, 153662), (272, 76831)]