20961252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44789}}^1$

素因数の和:44812

約数の個数: 36

約数和(自身を含む): 57062460

約数和(自身を除く): 36101208

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44789, 89578, 134367, 179156, 268734, 403101, 537468, 582257, 806202, 1164514, 1612404, 1746771, 2329028, 3493542, 5240313, 6987084, 10480626, 20961252]

約数ペア:

[(1, 20961252), (2, 10480626), (3, 6987084), (4, 5240313), (6, 3493542), (9, 2329028), (12, 1746771), (13, 1612404), (18, 1164514), (26, 806202), (36, 582257), (39, 537468), (52, 403101), (78, 268734), (117, 179156), (156, 134367), (234, 89578), (468, 44789)]