20591490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3253}}^1$

素因数の和:3474

約数の個数: 32

約数和(自身を含む): 49669056

約数和(自身を除く): 29077566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3253, 6330, 6506, 9759, 16265, 19518, 32530, 48795, 97590, 686383, 1372766, 2059149, 3431915, 4118298, 6863830, 10295745, 20591490]

約数ペア:

[(1, 20591490), (2, 10295745), (3, 6863830), (5, 4118298), (6, 3431915), (10, 2059149), (15, 1372766), (30, 686383), (211, 97590), (422, 48795), (633, 32530), (1055, 19518), (1266, 16265), (2110, 9759), (3165, 6506), (3253, 6330)]