20727795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{467}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15663885

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 269, 467, 807, 1345, 1401, 2335, 2959, 4035, 5137, 7005, 8877, 14795, 15411, 25685, 44385, 77055, 125623, 376869, 628115, 1381853, 1884345, 4145559, 6909265, 20727795]

約数ペア:

[(1, 20727795), (3, 6909265), (5, 4145559), (11, 1884345), (15, 1381853), (33, 628115), (55, 376869), (165, 125623), (269, 77055), (467, 44385), (807, 25685), (1345, 15411), (1401, 14795), (2335, 8877), (2959, 7005), (4035, 5137)]