20714380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16979}}^1$

素因数の和:17049

約数の個数: 24

約数和(自身を含む): 44215920

約数和(自身を除く): 23501540

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16979, 33958, 67916, 84895, 169790, 339580, 1035719, 2071438, 4142876, 5178595, 10357190, 20714380]

約数ペア:

[(1, 20714380), (2, 10357190), (4, 5178595), (5, 4142876), (10, 2071438), (20, 1035719), (61, 339580), (122, 169790), (244, 84895), (305, 67916), (610, 33958), (1220, 16979)]