20325991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2374

約数の個数: 16

約数和(自身を含む): 24828160

約数和(自身を除く): 4502169

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2281, 8911, 15967, 43339, 152827, 303373, 1069789, 2903713, 20325991]

約数ペア:

[(1, 20325991), (7, 2903713), (19, 1069789), (67, 303373), (133, 152827), (469, 43339), (1273, 15967), (2281, 8911)]