20488494

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 44390304

約数和(自身を除く): 23901810

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1361, 2509, 2722, 4083, 5018, 7527, 8166, 15054, 17693, 35386, 53079, 106158, 262673, 525346, 788019, 1576038, 3414749, 6829498, 10244247, 20488494]

約数ペア:

[(1, 20488494), (2, 10244247), (3, 6829498), (6, 3414749), (13, 1576038), (26, 788019), (39, 525346), (78, 262673), (193, 106158), (386, 53079), (579, 35386), (1158, 17693), (1361, 15054), (2509, 8166), (2722, 7527), (4083, 5018)]