20447755

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4614

約数の個数: 16

約数和(自身を含む): 26208000

約数和(自身を除く): 5760245

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 4549, 22745, 131921, 141019, 659605, 705095, 4089551, 20447755]

約数ペア:

[(1, 20447755), (5, 4089551), (29, 705095), (31, 659605), (145, 141019), (155, 131921), (899, 22745), (4495, 4549)]