20215751905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{5303}}^1\times {\mathrm{33149}}^1$

素因数の和:38480

約数の個数: 16

約数和(自身を含む): 25319174400

約数和(自身を除く): 5103422495

約数列:

[1, 5, 23, 115, 5303, 26515, 33149, 121969, 165745, 609845, 762427, 3812135, 175789147, 878945735, 4043150381, 20215751905]

約数ペア:

[(1, 20215751905), (5, 4043150381), (23, 878945735), (115, 175789147), (5303, 3812135), (26515, 762427), (33149, 609845), (121969, 165745)]