20307978

素因数分解:

$2^1\times 3^2\times {\mathrm{277}}^1\times {\mathrm{4073}}^1$

素因数の和:4358

約数の個数: 24

約数和(自身を含む): 44170308

約数和(自身を除く): 23862330

約数列:

[1, 2, 3, 6, 9, 18, 277, 554, 831, 1662, 2493, 4073, 4986, 8146, 12219, 24438, 36657, 73314, 1128221, 2256442, 3384663, 6769326, 10153989, 20307978]

約数ペア:

[(1, 20307978), (2, 10153989), (3, 6769326), (6, 3384663), (9, 2256442), (18, 1128221), (277, 73314), (554, 36657), (831, 24438), (1662, 12219), (2493, 8146), (4073, 4986)]