20187197857

素因数分解:

${\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1\times {\mathrm{809}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 20477318400

約数和(自身を除く): 290120543

約数列:

[1, 131, 239, 797, 809, 31309, 104407, 105979, 190483, 193351, 644773, 24953273, 25328981, 84465263, 154100747, 20187197857]

約数ペア:

[(1, 20187197857), (131, 154100747), (239, 84465263), (797, 25328981), (809, 24953273), (31309, 644773), (104407, 193351), (105979, 190483)]