20387609

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2940391

約数列:

[1, 11, 29, 79, 319, 809, 869, 2291, 8899, 23461, 25201, 63911, 258071, 703021, 1853419, 20387609]

約数ペア:

[(1, 20387609), (11, 1853419), (29, 703021), (79, 258071), (319, 63911), (809, 25201), (869, 23461), (2291, 8899)]