20469798

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8681}}^1$

素因数の和:8820

約数の個数: 24

約数和(自身を含む): 44694936

約数和(自身を除く): 24225138

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8681, 17362, 26043, 52086, 78129, 156258, 1137211, 2274422, 3411633, 6823266, 10234899, 20469798]

約数ペア:

[(1, 20469798), (2, 10234899), (3, 6823266), (6, 3411633), (9, 2274422), (18, 1137211), (131, 156258), (262, 78129), (393, 52086), (786, 26043), (1179, 17362), (2358, 8681)]