20054950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13831}}^1$

素因数の和:13872

約数の個数: 24

約数和(自身を含む): 38591280

約数和(自身を除く): 18536330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13831, 27662, 69155, 138310, 345775, 401099, 691550, 802198, 2005495, 4010990, 10027475, 20054950]

約数ペア:

[(1, 20054950), (2, 10027475), (5, 4010990), (10, 2005495), (25, 802198), (29, 691550), (50, 401099), (58, 345775), (145, 138310), (290, 69155), (725, 27662), (1450, 13831)]