20788540270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{199487}}^1$

素因数の和:200124

約数の個数: 32

約数和(自身を含む): 39685344768

約数和(自身を除く): 18896804498

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 613, 1226, 3065, 6130, 10421, 20842, 52105, 104210, 199487, 398974, 997435, 1994870, 3391279, 6782558, 16956395, 33912790, 122285531, 244571062, 611427655, 1222855310, 2078854027, 4157708054, 10394270135, 20788540270]

約数ペア:

[(1, 20788540270), (2, 10394270135), (5, 4157708054), (10, 2078854027), (17, 1222855310), (34, 611427655), (85, 244571062), (170, 122285531), (613, 33912790), (1226, 16956395), (3065, 6782558), (6130, 3391279), (10421, 1994870), (20842, 997435), (52105, 398974), (104210, 199487)]