20453810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3659}}^1$

素因数の和:3722

約数の個数: 32

約数和(自身を含む): 40582080

約数和(自身を除く): 20128270

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3659, 5590, 7318, 18295, 36590, 47567, 95134, 157337, 237835, 314674, 475670, 786685, 1573370, 2045381, 4090762, 10226905, 20453810]

約数ペア:

[(1, 20453810), (2, 10226905), (5, 4090762), (10, 2045381), (13, 1573370), (26, 786685), (43, 475670), (65, 314674), (86, 237835), (130, 157337), (215, 95134), (430, 47567), (559, 36590), (1118, 18295), (2795, 7318), (3659, 5590)]