20187923038

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{255757}}^1$

素因数の和:256467

約数の個数: 16

約数和(自身を含む): 30826000224

約数和(自身を除く): 10638077186

約数列:

[1, 2, 61, 122, 647, 1294, 39467, 78934, 255757, 511514, 15601177, 31202354, 165474779, 330949558, 10093961519, 20187923038]

約数ペア:

[(1, 20187923038), (2, 10093961519), (61, 330949558), (122, 165474779), (647, 31202354), (1294, 15601177), (39467, 511514), (78934, 255757)]