20889220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94951}}^1$

素因数の和:94971

約数の個数: 24

約数和(自身を含む): 47855808

約数和(自身を除く): 26966588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94951, 189902, 379804, 474755, 949510, 1044461, 1899020, 2088922, 4177844, 5222305, 10444610, 20889220]

約数ペア:

[(1, 20889220), (2, 10444610), (4, 5222305), (5, 4177844), (10, 2088922), (11, 1899020), (20, 1044461), (22, 949510), (44, 474755), (55, 379804), (110, 189902), (220, 94951)]