20389956

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{41443}}^1$

素因数の和:41491

約数の個数: 24

約数和(自身を含む): 48738144

約数和(自身を除く): 28348188

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 41443, 82886, 124329, 165772, 248658, 497316, 1699163, 3398326, 5097489, 6796652, 10194978, 20389956]

約数ペア:

[(1, 20389956), (2, 10194978), (3, 6796652), (4, 5097489), (6, 3398326), (12, 1699163), (41, 497316), (82, 248658), (123, 165772), (164, 124329), (246, 82886), (492, 41443)]