20343345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 15460815

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 887, 1529, 2085, 2661, 4435, 4587, 7645, 9757, 13305, 22935, 29271, 48785, 123293, 146355, 369879, 616465, 1356223, 1849395, 4068669, 6781115, 20343345]

約数ペア:

[(1, 20343345), (3, 6781115), (5, 4068669), (11, 1849395), (15, 1356223), (33, 616465), (55, 369879), (139, 146355), (165, 123293), (417, 48785), (695, 29271), (887, 22935), (1529, 13305), (2085, 9757), (2661, 7645), (4435, 4587)]