20238047571

素因数分解:

$3^1\times 7^2\times {\mathrm{1871}}^1\times {\mathrm{73583}}^1$

素因数の和:75471

約数の個数: 24

約数和(自身を含む): 31406828544

約数和(自身を除く): 11168780973

約数列:

[1, 3, 7, 21, 49, 147, 1871, 5613, 13097, 39291, 73583, 91679, 220749, 275037, 515081, 1545243, 3605567, 10816701, 137673793, 413021379, 963716551, 2891149653, 6746015857, 20238047571]

約数ペア:

[(1, 20238047571), (3, 6746015857), (7, 2891149653), (21, 963716551), (49, 413021379), (147, 137673793), (1871, 10816701), (5613, 3605567), (13097, 1545243), (39291, 515081), (73583, 275037), (91679, 220749)]