20712822

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7177}}^1$

素因数の和:7232

約数の個数: 32

約数和(自身を含む): 45824352

約数和(自身を除く): 25111530

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7177, 14354, 21531, 43062, 93301, 186602, 265549, 279903, 531098, 559806, 796647, 1593294, 3452137, 6904274, 10356411, 20712822]

約数ペア:

[(1, 20712822), (2, 10356411), (3, 6904274), (6, 3452137), (13, 1593294), (26, 796647), (37, 559806), (39, 531098), (74, 279903), (78, 265549), (111, 186602), (222, 93301), (481, 43062), (962, 21531), (1443, 14354), (2886, 7177)]