20198072072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{10729}}^1\times {\mathrm{7591}}^1$

素因数の和:18357

約数の個数: 32

約数和(自身を含む): 39101836800

約数和(自身を除く): 18903764728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 7591, 10729, 15182, 21458, 30364, 42916, 60728, 85832, 235321, 332599, 470642, 665198, 941284, 1330396, 1882568, 2660792, 81443839, 162887678, 325775356, 651550712, 2524759009, 5049518018, 10099036036, 20198072072]

約数ペア:

[(1, 20198072072), (2, 10099036036), (4, 5049518018), (8, 2524759009), (31, 651550712), (62, 325775356), (124, 162887678), (248, 81443839), (7591, 2660792), (10729, 1882568), (15182, 1330396), (21458, 941284), (30364, 665198), (42916, 470642), (60728, 332599), (85832, 235321)]