20456397311

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{119489}}^1$

素因数の和:120194

約数の個数: 16

約数和(自身を含む): 24047123520

約数和(自身を除く): 3590726209

約数列:

[1, 7, 37, 259, 661, 4627, 24457, 119489, 171199, 836423, 4421093, 30947651, 78982229, 552875603, 2922342473, 20456397311]

約数ペア:

[(1, 20456397311), (7, 2922342473), (37, 552875603), (259, 78982229), (661, 30947651), (4627, 4421093), (24457, 836423), (119489, 171199)]