20681211

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 28206720

約数和(自身を除く): 7525509

約数列:

[1, 3, 59, 177, 331, 353, 993, 1059, 19529, 20827, 58587, 62481, 116843, 350529, 6893737, 20681211]

約数ペア:

[(1, 20681211), (3, 6893737), (59, 350529), (177, 116843), (331, 62481), (353, 58587), (993, 20827), (1059, 19529)]