20791793

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 24718848

約数和(自身を除く): 3927055

約数列:

[1, 11, 23, 31, 121, 241, 253, 341, 713, 2651, 2783, 3751, 5543, 7471, 7843, 29161, 60973, 82181, 86273, 171833, 670703, 903991, 1890163, 20791793]

約数ペア:

[(1, 20791793), (11, 1890163), (23, 903991), (31, 670703), (121, 171833), (241, 86273), (253, 82181), (341, 60973), (713, 29161), (2651, 7843), (2783, 7471), (3751, 5543)]