20515404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18787}}^1$

素因数の和:18814

約数の個数: 48

約数和(自身を含む): 58919168

約数和(自身を除く): 38403764

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18787, 37574, 56361, 75148, 112722, 131509, 225444, 244231, 263018, 394527, 488462, 526036, 732693, 789054, 976924, 1465386, 1578108, 1709617, 2930772, 3419234, 5128851, 6838468, 10257702, 20515404]

約数ペア:

[(1, 20515404), (2, 10257702), (3, 6838468), (4, 5128851), (6, 3419234), (7, 2930772), (12, 1709617), (13, 1578108), (14, 1465386), (21, 976924), (26, 789054), (28, 732693), (39, 526036), (42, 488462), (52, 394527), (78, 263018), (84, 244231), (91, 225444), (156, 131509), (182, 112722), (273, 75148), (364, 56361), (546, 37574), (1092, 18787)]