20814585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 15905415

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 165, 303, 505, 1111, 1249, 1515, 3333, 3747, 5555, 6245, 13739, 16665, 18735, 41217, 68695, 126149, 206085, 378447, 630745, 1387639, 1892235, 4162917, 6938195, 20814585]

約数ペア:

[(1, 20814585), (3, 6938195), (5, 4162917), (11, 1892235), (15, 1387639), (33, 630745), (55, 378447), (101, 206085), (165, 126149), (303, 68695), (505, 41217), (1111, 18735), (1249, 16665), (1515, 13739), (3333, 6245), (3747, 5555)]