20823804

素因数分解:

$2^2\times 3^4\times {\mathrm{64271}}^1$

素因数の和:64287

約数の個数: 30

約数和(自身を含む): 54438384

約数和(自身を除く): 33614580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64271, 128542, 192813, 257084, 385626, 578439, 771252, 1156878, 1735317, 2313756, 3470634, 5205951, 6941268, 10411902, 20823804]

約数ペア:

[(1, 20823804), (2, 10411902), (3, 6941268), (4, 5205951), (6, 3470634), (9, 2313756), (12, 1735317), (18, 1156878), (27, 771252), (36, 578439), (54, 385626), (81, 257084), (108, 192813), (162, 128542), (324, 64271)]