20227501

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 5623379

約数列:

[1, 7, 17, 43, 59, 67, 119, 301, 413, 469, 731, 1003, 1139, 2537, 2881, 3953, 5117, 7021, 7973, 17759, 20167, 27671, 43129, 48977, 67201, 169979, 301903, 342839, 470407, 1189853, 2889643, 20227501]

約数ペア:

[(1, 20227501), (7, 2889643), (17, 1189853), (43, 470407), (59, 342839), (67, 301903), (119, 169979), (301, 67201), (413, 48977), (469, 43129), (731, 27671), (1003, 20167), (1139, 17759), (2537, 7973), (2881, 7021), (3953, 5117)]