20014160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2477}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 47012616

約数和(自身を除く): 26998456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2477, 4040, 4954, 8080, 9908, 12385, 19816, 24770, 39632, 49540, 99080, 198160, 250177, 500354, 1000708, 1250885, 2001416, 2501770, 4002832, 5003540, 10007080, 20014160]

約数ペア:

[(1, 20014160), (2, 10007080), (4, 5003540), (5, 4002832), (8, 2501770), (10, 2001416), (16, 1250885), (20, 1000708), (40, 500354), (80, 250177), (101, 198160), (202, 99080), (404, 49540), (505, 39632), (808, 24770), (1010, 19816), (1616, 12385), (2020, 9908), (2477, 8080), (4040, 4954)]