20175420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10847}}^1$

素因数の和:10890

約数の個数: 48

約数和(自身を含む): 58318848

約数和(自身を除く): 38143428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10847, 21694, 32541, 43388, 54235, 65082, 108470, 130164, 162705, 216940, 325410, 336257, 650820, 672514, 1008771, 1345028, 1681285, 2017542, 3362570, 4035084, 5043855, 6725140, 10087710, 20175420]

約数ペア:

[(1, 20175420), (2, 10087710), (3, 6725140), (4, 5043855), (5, 4035084), (6, 3362570), (10, 2017542), (12, 1681285), (15, 1345028), (20, 1008771), (30, 672514), (31, 650820), (60, 336257), (62, 325410), (93, 216940), (124, 162705), (155, 130164), (186, 108470), (310, 65082), (372, 54235), (465, 43388), (620, 32541), (930, 21694), (1860, 10847)]