20084012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4889}}^1$

素因数の和:4985

約数の個数: 24

約数和(自身を含む): 38337600

約数和(自身を除く): 18253588

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4889, 9778, 19556, 63557, 127114, 254228, 386231, 772462, 1544924, 5021003, 10042006, 20084012]

約数ペア:

[(1, 20084012), (2, 10042006), (4, 5021003), (13, 1544924), (26, 772462), (52, 386231), (79, 254228), (158, 127114), (316, 63557), (1027, 19556), (2054, 9778), (4108, 4889)]