20361584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31039}}^1$

素因数の和:31088

約数の個数: 20

約数和(自身を含む): 40414080

約数和(自身を除く): 20052496

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31039, 62078, 124156, 248312, 496624, 1272599, 2545198, 5090396, 10180792, 20361584]

約数ペア:

[(1, 20361584), (2, 10180792), (4, 5090396), (8, 2545198), (16, 1272599), (41, 496624), (82, 248312), (164, 124156), (328, 62078), (656, 31039)]