20390515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5801}}^1$

素因数の和:5862

約数の個数: 16

約数和(自身を含む): 26457120

約数和(自身を除く): 6066605

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 5801, 29005, 110219, 214637, 551095, 1073185, 4078103, 20390515]

約数ペア:

[(1, 20390515), (5, 4078103), (19, 1073185), (37, 551095), (95, 214637), (185, 110219), (703, 29005), (3515, 5801)]