20345028221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2886229}}^1$

素因数の和:2886308

約数の個数: 16

約数和(自身を含む): 24937027200

約数和(自身を除く): 4591998979

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 2886229, 20203603, 54838351, 152970137, 383868457, 1070790959, 2906432603, 20345028221]

約数ペア:

[(1, 20345028221), (7, 2906432603), (19, 1070790959), (53, 383868457), (133, 152970137), (371, 54838351), (1007, 20203603), (7049, 2886229)]