20518758

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9743}}^1$

素因数の和:9770

約数の個数: 40

約数和(自身を含む): 49519008

約数和(自身を除く): 29000250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9743, 19486, 29229, 58458, 87687, 126659, 175374, 253318, 263061, 379977, 526122, 759954, 789183, 1139931, 1578366, 2279862, 3419793, 6839586, 10259379, 20518758]

約数ペア:

[(1, 20518758), (2, 10259379), (3, 6839586), (6, 3419793), (9, 2279862), (13, 1578366), (18, 1139931), (26, 789183), (27, 759954), (39, 526122), (54, 379977), (78, 263061), (81, 253318), (117, 175374), (162, 126659), (234, 87687), (351, 58458), (702, 29229), (1053, 19486), (2106, 9743)]