20865126

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{5261}}^1$

素因数の和:5927

約数の個数: 16

約数和(自身を含む): 41801328

約数和(自身を除く): 20936202

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 5261, 10522, 15783, 31566, 3477521, 6955042, 10432563, 20865126]

約数ペア:

[(1, 20865126), (2, 10432563), (3, 6955042), (6, 3477521), (661, 31566), (1322, 15783), (1983, 10522), (3966, 5261)]