20017723

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 3022277

約数列:

[1, 11, 31, 47, 341, 517, 1249, 1457, 13739, 16027, 38719, 58703, 425909, 645733, 1819793, 20017723]

約数ペア:

[(1, 20017723), (11, 1819793), (31, 645733), (47, 425909), (341, 58703), (517, 38719), (1249, 16027), (1457, 13739)]