20005978408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10124483}}^1$

素因数の和:10124521

約数の個数: 32

約数和(自身を含む): 42522832800

約数和(自身を除く): 22516854392

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10124483, 20248966, 40497932, 80995864, 131618279, 192365177, 263236558, 384730354, 526473116, 769460708, 1052946232, 1538921416, 2500747301, 5001494602, 10002989204, 20005978408]

約数ペア:

[(1, 20005978408), (2, 10002989204), (4, 5001494602), (8, 2500747301), (13, 1538921416), (19, 1052946232), (26, 769460708), (38, 526473116), (52, 384730354), (76, 263236558), (104, 192365177), (152, 131618279), (247, 80995864), (494, 40497932), (988, 20248966), (1976, 10124483)]