20006665540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5237347}}^1$

素因数の和:5237547

約数の個数: 24

約数和(自身を含む): 42233974272

約数和(自身を除く): 22227308732

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5237347, 10474694, 20949388, 26186735, 52373470, 104746940, 1000333277, 2000666554, 4001333108, 5001666385, 10003332770, 20006665540]

約数ペア:

[(1, 20006665540), (2, 10003332770), (4, 5001666385), (5, 4001333108), (10, 2000666554), (20, 1000333277), (191, 104746940), (382, 52373470), (764, 26186735), (955, 20949388), (1910, 10474694), (3820, 5237347)]