20320072

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{43051}}^1$

素因数の和:43116

約数の個数: 16

約数和(自身を含む): 38746800

約数和(自身を除く): 18426728

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 43051, 86102, 172204, 344408, 2540009, 5080018, 10160036, 20320072]

約数ペア:

[(1, 20320072), (2, 10160036), (4, 5080018), (8, 2540009), (59, 344408), (118, 172204), (236, 86102), (472, 43051)]