20128599508

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{70501}}^1$

素因数の和:71163

約数の個数: 24

約数和(自身を含む): 35550774504

約数和(自身を除く): 15422174996

約数列:

[1, 2, 4, 137, 274, 521, 548, 1042, 2084, 70501, 71377, 141002, 142754, 282004, 285508, 9658637, 19317274, 36731021, 38634548, 73462042, 146924084, 5032149877, 10064299754, 20128599508]

約数ペア:

[(1, 20128599508), (2, 10064299754), (4, 5032149877), (137, 146924084), (274, 73462042), (521, 38634548), (548, 36731021), (1042, 19317274), (2084, 9658637), (70501, 285508), (71377, 282004), (141002, 142754)]