20155285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4019}}^1$

素因数の和:4100

約数の個数: 16

約数和(自身を含む): 26049600

約数和(自身を除く): 5894315

約数列:

[1, 5, 17, 59, 85, 295, 1003, 4019, 5015, 20095, 68323, 237121, 341615, 1185605, 4031057, 20155285]

約数ペア:

[(1, 20155285), (5, 4031057), (17, 1185605), (59, 341615), (85, 237121), (295, 68323), (1003, 20095), (4019, 5015)]