20355228

素因数分解:

$2^2\times 3^2\times {\mathrm{743}}^1\times {\mathrm{761}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 51590448

約数和(自身を除く): 31235220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 743, 761, 1486, 1522, 2229, 2283, 2972, 3044, 4458, 4566, 6687, 6849, 8916, 9132, 13374, 13698, 26748, 27396, 565423, 1130846, 1696269, 2261692, 3392538, 5088807, 6785076, 10177614, 20355228]

約数ペア:

[(1, 20355228), (2, 10177614), (3, 6785076), (4, 5088807), (6, 3392538), (9, 2261692), (12, 1696269), (18, 1130846), (36, 565423), (743, 27396), (761, 26748), (1486, 13698), (1522, 13374), (2229, 9132), (2283, 8916), (2972, 6849), (3044, 6687), (4458, 4566)]