20986446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269057}}^1$

素因数の和:269075

約数の個数: 16

約数和(自身を含む): 45201744

約数和(自身を除く): 24215298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269057, 538114, 807171, 1614342, 3497741, 6995482, 10493223, 20986446]

約数ペア:

[(1, 20986446), (2, 10493223), (3, 6995482), (6, 3497741), (13, 1614342), (26, 807171), (39, 538114), (78, 269057)]