20016215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1933}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 25528800

約数和(自身を除く): 5512585

約数列:

[1, 5, 19, 95, 109, 545, 1933, 2071, 9665, 10355, 36727, 183635, 210697, 1053485, 4003243, 20016215]

約数ペア:

[(1, 20016215), (5, 4003243), (19, 1053485), (95, 210697), (109, 183635), (545, 36727), (1933, 10355), (2071, 9665)]