20318994

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30509}}^1$

素因数の和:30554

約数の個数: 24

約数和(自身を含む): 45215820

約数和(自身を除く): 24896826

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30509, 61018, 91527, 183054, 274581, 549162, 1128833, 2257666, 3386499, 6772998, 10159497, 20318994]

約数ペア:

[(1, 20318994), (2, 10159497), (3, 6772998), (6, 3386499), (9, 2257666), (18, 1128833), (37, 549162), (74, 274581), (111, 183054), (222, 91527), (333, 61018), (666, 30509)]