20381292

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4073}}^1$

素因数の和:4222

約数の個数: 36

約数和(自身を含む): 51902760

約数和(自身を除く): 31521468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4073, 5004, 8146, 12219, 16292, 24438, 36657, 48876, 73314, 146628, 566147, 1132294, 1698441, 2264588, 3396882, 5095323, 6793764, 10190646, 20381292]

約数ペア:

[(1, 20381292), (2, 10190646), (3, 6793764), (4, 5095323), (6, 3396882), (9, 2264588), (12, 1698441), (18, 1132294), (36, 566147), (139, 146628), (278, 73314), (417, 48876), (556, 36657), (834, 24438), (1251, 16292), (1668, 12219), (2502, 8146), (4073, 5004)]