20307371

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 24595200

約数和(自身を除く): 4287829

約数列:

[1, 7, 19, 133, 179, 853, 1253, 3401, 5971, 16207, 23807, 113449, 152687, 1068809, 2901053, 20307371]

約数ペア:

[(1, 20307371), (7, 2901053), (19, 1068809), (133, 152687), (179, 113449), (853, 23807), (1253, 16207), (3401, 5971)]