20145815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5651}}^1$

素因数の和:5710

約数の個数: 16

約数和(自身を含む): 26044416

約数和(自身を除く): 5898601

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 5651, 28255, 129973, 175181, 649865, 875905, 4029163, 20145815]

約数ペア:

[(1, 20145815), (5, 4029163), (23, 875905), (31, 649865), (115, 175181), (155, 129973), (713, 28255), (3565, 5651)]