20406045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11243}}^1$

素因数の和:11273

約数の個数: 24

約数和(自身を含む): 35890848

約数和(自身を除く): 15484803

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11243, 33729, 56215, 123673, 168645, 371019, 618365, 1360403, 1855095, 4081209, 6802015, 20406045]

約数ペア:

[(1, 20406045), (3, 6802015), (5, 4081209), (11, 1855095), (15, 1360403), (33, 618365), (55, 371019), (121, 168645), (165, 123673), (363, 56215), (605, 33729), (1815, 11243)]