20278331

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 22336704

約数和(自身を除く): 2058373

約数列:

[1, 17, 37, 103, 313, 629, 1751, 3811, 5321, 11581, 32239, 64787, 196877, 548063, 1192843, 20278331]

約数ペア:

[(1, 20278331), (17, 1192843), (37, 548063), (103, 196877), (313, 64787), (629, 32239), (1751, 11581), (3811, 5321)]