20105806

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 35463168

約数和(自身を除く): 15357362

約数列:

[1, 2, 7, 14, 73, 103, 146, 191, 206, 382, 511, 721, 1022, 1337, 1442, 2674, 7519, 13943, 15038, 19673, 27886, 39346, 52633, 97601, 105266, 137711, 195202, 275422, 1436129, 2872258, 10052903, 20105806]

約数ペア:

[(1, 20105806), (2, 10052903), (7, 2872258), (14, 1436129), (73, 275422), (103, 195202), (146, 137711), (191, 105266), (206, 97601), (382, 52633), (511, 39346), (721, 27886), (1022, 19673), (1337, 15038), (1442, 13943), (2674, 7519)]