20512488017

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{5821}}^1\times {\mathrm{17359}}^1$

素因数の和:23216

約数の個数: 16

約数和(自身を含む): 24256780800

約数和(自身を除く): 3744292783

約数列:

[1, 7, 29, 203, 5821, 17359, 40747, 121513, 168809, 503411, 1181663, 3523877, 101046739, 707327173, 2930355431, 20512488017]

約数ペア:

[(1, 20512488017), (7, 2930355431), (29, 707327173), (203, 101046739), (5821, 3523877), (17359, 1181663), (40747, 503411), (121513, 168809)]