20630715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{28069}}^1$

素因数の和:28091

約数の個数: 24

約数和(自身を含む): 38399760

約数和(自身を除く): 17769045

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 28069, 84207, 140345, 196483, 421035, 589449, 982415, 1375381, 2947245, 4126143, 6876905, 20630715]

約数ペア:

[(1, 20630715), (3, 6876905), (5, 4126143), (7, 2947245), (15, 1375381), (21, 982415), (35, 589449), (49, 421035), (105, 196483), (147, 140345), (245, 84207), (735, 28069)]