20456048

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31183}}^1$

素因数の和:31232

約数の個数: 20

約数和(自身を含む): 40601568

約数和(自身を除く): 20145520

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31183, 62366, 124732, 249464, 498928, 1278503, 2557006, 5114012, 10228024, 20456048]

約数ペア:

[(1, 20456048), (2, 10228024), (4, 5114012), (8, 2557006), (16, 1278503), (41, 498928), (82, 249464), (164, 124732), (328, 62366), (656, 31183)]