20391654

素因数分解:

$2^1\times 3^1\times {\mathrm{809}}^1\times {\mathrm{4201}}^1$

素因数の和:5015

約数の個数: 16

約数和(自身を含む): 40843440

約数和(自身を除く): 20451786

約数列:

[1, 2, 3, 6, 809, 1618, 2427, 4201, 4854, 8402, 12603, 25206, 3398609, 6797218, 10195827, 20391654]

約数ペア:

[(1, 20391654), (2, 10195827), (3, 6797218), (6, 3398609), (809, 25206), (1618, 12603), (2427, 8402), (4201, 4854)]