16104020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42379}}^1$

素因数の和:42407

約数の個数: 24

約数和(自身を含む): 35599200

約数和(自身を除く): 19495180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 42379, 84758, 169516, 211895, 423790, 805201, 847580, 1610402, 3220804, 4026005, 8052010, 16104020]

約数ペア:

[(1, 16104020), (2, 8052010), (4, 4026005), (5, 3220804), (10, 1610402), (19, 847580), (20, 805201), (38, 423790), (76, 211895), (95, 169516), (190, 84758), (380, 42379)]