20879216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56737}}^1$

素因数の和:56768

約数の個数: 20

約数和(自身を含む): 42213072

約数和(自身を除く): 21333856

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56737, 113474, 226948, 453896, 907792, 1304951, 2609902, 5219804, 10439608, 20879216]

約数ペア:

[(1, 20879216), (2, 10439608), (4, 5219804), (8, 2609902), (16, 1304951), (23, 907792), (46, 453896), (92, 226948), (184, 113474), (368, 56737)]