20382290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15559}}^1$

素因数の和:15697

約数の個数: 16

約数和(自身を含む): 36970560

約数和(自身を除く): 16588270

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15559, 31118, 77795, 155590, 2038229, 4076458, 10191145, 20382290]

約数ペア:

[(1, 20382290), (2, 10191145), (5, 4076458), (10, 2038229), (131, 155590), (262, 77795), (655, 31118), (1310, 15559)]