20215118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131267}}^1$

素因数の和:131287

約数の個数: 16

約数和(自身を含む): 37805184

約数和(自身を除く): 17590066

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131267, 262534, 918869, 1443937, 1837738, 2887874, 10107559, 20215118]

約数ペア:

[(1, 20215118), (2, 10107559), (7, 2887874), (11, 1837738), (14, 1443937), (22, 918869), (77, 262534), (154, 131267)]