20091031898

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{84431}}^1$

素因数の和:85202

約数の個数: 32

約数和(自身を含む): 35988295680

約数和(自身を除く): 15897263782

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 739, 1478, 5173, 10346, 16997, 33994, 84431, 118979, 168862, 237958, 591017, 1182034, 1941913, 3883826, 13593391, 27186782, 62394509, 124789018, 436761563, 873523126, 1435073707, 2870147414, 10045515949, 20091031898]

約数ペア:

[(1, 20091031898), (2, 10045515949), (7, 2870147414), (14, 1435073707), (23, 873523126), (46, 436761563), (161, 124789018), (322, 62394509), (739, 27186782), (1478, 13593391), (5173, 3883826), (10346, 1941913), (16997, 1182034), (33994, 591017), (84431, 237958), (118979, 168862)]