20977804

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16761716

約数列:

[1, 2, 4, 59, 103, 118, 206, 236, 412, 863, 1726, 3452, 6077, 12154, 24308, 50917, 88889, 101834, 177778, 203668, 355556, 5244451, 10488902, 20977804]

約数ペア:

[(1, 20977804), (2, 10488902), (4, 5244451), (59, 355556), (103, 203668), (118, 177778), (206, 101834), (236, 88889), (412, 50917), (863, 24308), (1726, 12154), (3452, 6077)]