20347084810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{503267}}^1$

素因数の和:503598

約数の個数: 32

約数和(自身を含む): 39568943232

約数和(自身を除く): 19221858422

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 3110, 4043, 8086, 20215, 40430, 503267, 1006534, 2516335, 5032670, 6542471, 13084942, 32712355, 65424710, 156516037, 313032074, 782580185, 1565160370, 2034708481, 4069416962, 10173542405, 20347084810]

約数ペア:

[(1, 20347084810), (2, 10173542405), (5, 4069416962), (10, 2034708481), (13, 1565160370), (26, 782580185), (65, 313032074), (130, 156516037), (311, 65424710), (622, 32712355), (1555, 13084942), (3110, 6542471), (4043, 5032670), (8086, 2516335), (20215, 1006534), (40430, 503267)]