20186859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 34652160

約数和(自身を除く): 14465301

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2819, 7161, 8457, 19733, 31009, 59199, 87389, 93027, 217063, 262167, 611723, 651189, 961279, 1835169, 2883837, 6728953, 20186859]

約数ペア:

[(1, 20186859), (3, 6728953), (7, 2883837), (11, 1835169), (21, 961279), (31, 651189), (33, 611723), (77, 262167), (93, 217063), (217, 93027), (231, 87389), (341, 59199), (651, 31009), (1023, 19733), (2387, 8457), (2819, 7161)]