20209937

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 22654080

約数和(自身を除く): 2444143

約数列:

[1, 11, 71, 113, 229, 781, 1243, 2519, 8023, 16259, 25877, 88253, 178849, 284647, 1837267, 20209937]

約数ペア:

[(1, 20209937), (11, 1837267), (71, 284647), (113, 178849), (229, 88253), (781, 25877), (1243, 16259), (2519, 8023)]