20837646

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8837}}^1$

素因数の和:8976

約数の個数: 24

約数和(自身を含む): 45498024

約数和(自身を除く): 24660378

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8837, 17674, 26511, 53022, 79533, 159066, 1157647, 2315294, 3472941, 6945882, 10418823, 20837646]

約数ペア:

[(1, 20837646), (2, 10418823), (3, 6945882), (6, 3472941), (9, 2315294), (18, 1157647), (131, 159066), (262, 79533), (393, 53022), (786, 26511), (1179, 17674), (2358, 8837)]