20104295868

素因数分解:

$2^2\times 3^2\times {\mathrm{839}}^1\times {\mathrm{665617}}^1$

素因数の和:666466

約数の個数: 36

約数和(自身を含む): 50879839920

約数和(自身を除く): 30775544052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 839, 1678, 2517, 3356, 5034, 7551, 10068, 15102, 30204, 665617, 1331234, 1996851, 2662468, 3993702, 5990553, 7987404, 11981106, 23962212, 558452663, 1116905326, 1675357989, 2233810652, 3350715978, 5026073967, 6701431956, 10052147934, 20104295868]

約数ペア:

[(1, 20104295868), (2, 10052147934), (3, 6701431956), (4, 5026073967), (6, 3350715978), (9, 2233810652), (12, 1675357989), (18, 1116905326), (36, 558452663), (839, 23962212), (1678, 11981106), (2517, 7987404), (3356, 5990553), (5034, 3993702), (7551, 2662468), (10068, 1996851), (15102, 1331234), (30204, 665617)]