20155811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 22402464

約数和(自身を除く): 2246653

約数列:

[1, 13, 67, 73, 317, 871, 949, 4121, 4891, 21239, 23141, 63583, 276107, 300833, 1550447, 20155811]

約数ペア:

[(1, 20155811), (13, 1550447), (67, 300833), (73, 276107), (317, 63583), (871, 23141), (949, 21239), (4121, 4891)]