20425352

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19232248

約数列:

[1, 2, 4, 8, 53, 67, 106, 134, 212, 268, 424, 536, 719, 1438, 2876, 3551, 5752, 7102, 14204, 28408, 38107, 48173, 76214, 96346, 152428, 192692, 304856, 385384, 2553169, 5106338, 10212676, 20425352]

約数ペア:

[(1, 20425352), (2, 10212676), (4, 5106338), (8, 2553169), (53, 385384), (67, 304856), (106, 192692), (134, 152428), (212, 96346), (268, 76214), (424, 48173), (536, 38107), (719, 28408), (1438, 14204), (2876, 7102), (3551, 5752)]