20545254

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8713}}^1$

素因数の和:8852

約数の個数: 24

約数和(自身を含む): 44859672

約数和(自身を除く): 24314418

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8713, 17426, 26139, 52278, 78417, 156834, 1141403, 2282806, 3424209, 6848418, 10272627, 20545254]

約数ペア:

[(1, 20545254), (2, 10272627), (3, 6848418), (6, 3424209), (9, 2282806), (18, 1141403), (131, 156834), (262, 78417), (393, 52278), (786, 26139), (1179, 17426), (2358, 8713)]