20663508

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{41999}}^1$

素因数の和:42047

約数の個数: 24

約数和(自身を含む): 49392000

約数和(自身を除く): 28728492

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 41999, 83998, 125997, 167996, 251994, 503988, 1721959, 3443918, 5165877, 6887836, 10331754, 20663508]

約数ペア:

[(1, 20663508), (2, 10331754), (3, 6887836), (4, 5165877), (6, 3443918), (12, 1721959), (41, 503988), (82, 251994), (123, 167996), (164, 125997), (246, 83998), (492, 41999)]