20873940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347899}}^1$

素因数の和:347911

約数の個数: 24

約数和(自身を含む): 58447200

約数和(自身を除く): 37573260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347899, 695798, 1043697, 1391596, 1739495, 2087394, 3478990, 4174788, 5218485, 6957980, 10436970, 20873940]

約数ペア:

[(1, 20873940), (2, 10436970), (3, 6957980), (4, 5218485), (5, 4174788), (6, 3478990), (10, 2087394), (12, 1739495), (15, 1391596), (20, 1043697), (30, 695798), (60, 347899)]