20158145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30313}}^1$

素因数の和:30344

約数の個数: 16

約数和(自身を含む): 29101440

約数和(自身を除く): 8943295

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30313, 151565, 212191, 575947, 1060955, 2879735, 4031629, 20158145]

約数ペア:

[(1, 20158145), (5, 4031629), (7, 2879735), (19, 1060955), (35, 575947), (95, 212191), (133, 151565), (665, 30313)]