20803583995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1\times {\mathrm{128747}}^1$

素因数の和:130670

約数の個数: 16

約数和(自身を含む): 26446899168

約数和(自身を除く): 5643315173

約数列:

[1, 5, 17, 85, 1901, 9505, 32317, 128747, 161585, 643735, 2188699, 10943495, 244748047, 1223740235, 4160716799, 20803583995]

約数ペア:

[(1, 20803583995), (5, 4160716799), (17, 1223740235), (85, 244748047), (1901, 10943495), (9505, 2188699), (32317, 643735), (128747, 161585)]