20515673899

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{349697}}^1$

素因数の和:349767

約数の個数: 24

約数和(自身を含む): 25765748640

約数和(自身を除く): 5250074741

約数列:

[1, 7, 17, 29, 119, 203, 289, 493, 2023, 3451, 8381, 58667, 349697, 2447879, 5944849, 10141213, 41613943, 70988491, 101062433, 172400621, 707437031, 1206804347, 2930810557, 20515673899]

約数ペア:

[(1, 20515673899), (7, 2930810557), (17, 1206804347), (29, 707437031), (119, 172400621), (203, 101062433), (289, 70988491), (493, 41613943), (2023, 10141213), (3451, 5944849), (8381, 2447879), (58667, 349697)]