20340982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3851}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12015818

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3851, 5282, 7702, 73169, 146338, 535289, 1070578, 10170491, 20340982]

約数ペア:

[(1, 20340982), (2, 10170491), (19, 1070578), (38, 535289), (139, 146338), (278, 73169), (2641, 7702), (3851, 5282)]