20783981

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 22617600

約数和(自身を除く): 1833619

約数列:

[1, 29, 31, 61, 379, 899, 1769, 1891, 10991, 11749, 23119, 54839, 340721, 670451, 716689, 20783981]

約数ペア:

[(1, 20783981), (29, 716689), (31, 670451), (61, 340721), (379, 54839), (899, 23119), (1769, 11749), (1891, 10991)]