20171640307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{967}}^1\times {\mathrm{5591}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 25463015424

約数和(自身を除く): 5291375117

約数列:

[1, 7, 13, 41, 91, 287, 533, 967, 3731, 5591, 6769, 12571, 39137, 39647, 72683, 87997, 229231, 277529, 508781, 515411, 1604617, 2980003, 3607877, 5406497, 20860021, 37845479, 70284461, 221666377, 491991227, 1551664639, 2881662901, 20171640307]

約数ペア:

[(1, 20171640307), (7, 2881662901), (13, 1551664639), (41, 491991227), (91, 221666377), (287, 70284461), (533, 37845479), (967, 20860021), (3731, 5406497), (5591, 3607877), (6769, 2980003), (12571, 1604617), (39137, 515411), (39647, 508781), (72683, 277529), (87997, 229231)]