20935070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161039}}^1$

素因数の和:161059

約数の個数: 16

約数和(自身を含む): 40582080

約数和(自身を除く): 19647010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 161039, 322078, 805195, 1610390, 2093507, 4187014, 10467535, 20935070]

約数ペア:

[(1, 20935070), (2, 10467535), (5, 4187014), (10, 2093507), (13, 1610390), (26, 805195), (65, 322078), (130, 161039)]