20565545109

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{358291}}^1$

素因数の和:358385

約数の個数: 24

約数和(自身を含む): 29485998432

約数和(自身を除く): 8920453323

約数列:

[1, 3, 19, 53, 57, 159, 361, 1007, 1083, 3021, 19133, 57399, 358291, 1074873, 6807529, 18989423, 20422587, 56968269, 129343051, 360799037, 388029153, 1082397111, 6855181703, 20565545109]

約数ペア:

[(1, 20565545109), (3, 6855181703), (19, 1082397111), (53, 388029153), (57, 360799037), (159, 129343051), (361, 56968269), (1007, 20422587), (1083, 18989423), (3021, 6807529), (19133, 1074873), (57399, 358291)]