20119925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6763}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 30194496

約数和(自身を除く): 10074571

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6763, 33815, 47341, 114971, 169075, 236705, 574855, 804797, 1183525, 2874275, 4023985, 20119925]

約数ペア:

[(1, 20119925), (5, 4023985), (7, 2874275), (17, 1183525), (25, 804797), (35, 574855), (85, 236705), (119, 169075), (175, 114971), (425, 47341), (595, 33815), (2975, 6763)]