20315522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12433}}^1$

素因数の和:12497

約数の個数: 16

約数和(自身を含む): 32825760

約数和(自身を除く): 12510238

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12433, 24866, 236227, 472454, 534619, 1069238, 10157761, 20315522]

約数ペア:

[(1, 20315522), (2, 10157761), (19, 1069238), (38, 534619), (43, 472454), (86, 236227), (817, 24866), (1634, 12433)]