20023355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2411}}^1$

素因数の和:2578

約数の個数: 16

約数和(自身を含む): 26396928

約数和(自身を除く): 6373573

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2411, 8305, 12055, 26521, 132605, 364061, 1820305, 4004671, 20023355]

約数ペア:

[(1, 20023355), (5, 4004671), (11, 1820305), (55, 364061), (151, 132605), (755, 26521), (1661, 12055), (2411, 8305)]