20919014

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 11118106

約数列:

[1, 2, 71, 142, 179, 358, 823, 1646, 12709, 25418, 58433, 116866, 147317, 294634, 10459507, 20919014]

約数ペア:

[(1, 20919014), (2, 10459507), (71, 294634), (142, 147317), (179, 116866), (358, 58433), (823, 25418), (1646, 12709)]