20377864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3697}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 41935320

約数和(自身を除く): 21557456

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3697, 5512, 7394, 14788, 29576, 48061, 96122, 192244, 195941, 384488, 391882, 783764, 1567528, 2547233, 5094466, 10188932, 20377864]

約数ペア:

[(1, 20377864), (2, 10188932), (4, 5094466), (8, 2547233), (13, 1567528), (26, 783764), (52, 391882), (53, 384488), (104, 195941), (106, 192244), (212, 96122), (424, 48061), (689, 29576), (1378, 14788), (2756, 7394), (3697, 5512)]