20609478

素因数分解:

$2^1\times 3^4\times {\mathrm{127219}}^1$

素因数の和:127233

約数の個数: 20

約数和(自身を含む): 46180860

約数和(自身を除く): 25571382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127219, 254438, 381657, 763314, 1144971, 2289942, 3434913, 6869826, 10304739, 20609478]

約数ペア:

[(1, 20609478), (2, 10304739), (3, 6869826), (6, 3434913), (9, 2289942), (18, 1144971), (27, 763314), (54, 381657), (81, 254438), (162, 127219)]