20808993191

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1802737}}^1$

素因数の和:1802858

約数の個数: 16

約数和(自身を含む): 25440238656

約数和(自身を除く): 4631245465

約数列:

[1, 7, 17, 97, 119, 679, 1649, 11543, 1802737, 12619159, 30646529, 174865489, 214525703, 1224058423, 2972713313, 20808993191]

約数ペア:

[(1, 20808993191), (7, 2972713313), (17, 1224058423), (97, 214525703), (119, 174865489), (679, 30646529), (1649, 12619159), (11543, 1802737)]