20291482256

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{487}}^1\times {\mathrm{13219}}^1$

素因数の和:13911

約数の個数: 40

約数和(自身を含む): 39598447680

約数和(自身を除く): 19306965424

約数列:

[1, 2, 4, 8, 16, 197, 394, 487, 788, 974, 1576, 1948, 3152, 3896, 7792, 13219, 26438, 52876, 95939, 105752, 191878, 211504, 383756, 767512, 1535024, 2604143, 5208286, 6437653, 10416572, 12875306, 20833144, 25750612, 41666288, 51501224, 103002448, 1268217641, 2536435282, 5072870564, 10145741128, 20291482256]

約数ペア:

[(1, 20291482256), (2, 10145741128), (4, 5072870564), (8, 2536435282), (16, 1268217641), (197, 103002448), (394, 51501224), (487, 41666288), (788, 25750612), (974, 20833144), (1576, 12875306), (1948, 10416572), (3152, 6437653), (3896, 5208286), (7792, 2604143), (13219, 1535024), (26438, 767512), (52876, 383756), (95939, 211504), (105752, 191878)]