20288628

素因数分解:

$2^2\times 3^2\times {\mathrm{379}}^1\times {\mathrm{1487}}^1$

素因数の和:1876

約数の個数: 36

約数和(自身を含む): 51455040

約数和(自身を除く): 31166412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 379, 758, 1137, 1487, 1516, 2274, 2974, 3411, 4461, 4548, 5948, 6822, 8922, 13383, 13644, 17844, 26766, 53532, 563573, 1127146, 1690719, 2254292, 3381438, 5072157, 6762876, 10144314, 20288628]

約数ペア:

[(1, 20288628), (2, 10144314), (3, 6762876), (4, 5072157), (6, 3381438), (9, 2254292), (12, 1690719), (18, 1127146), (36, 563573), (379, 53532), (758, 26766), (1137, 17844), (1487, 13644), (1516, 13383), (2274, 8922), (2974, 6822), (3411, 5948), (4461, 4548)]