20323900

素因数分解:

$2^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1217}}^1$

素因数の和:1398

約数の個数: 36

約数和(自身を含む): 44403408

約数和(自身を除く): 24079508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 167, 334, 668, 835, 1217, 1670, 2434, 3340, 4175, 4868, 6085, 8350, 12170, 16700, 24340, 30425, 60850, 121700, 203239, 406478, 812956, 1016195, 2032390, 4064780, 5080975, 10161950, 20323900]

約数ペア:

[(1, 20323900), (2, 10161950), (4, 5080975), (5, 4064780), (10, 2032390), (20, 1016195), (25, 812956), (50, 406478), (100, 203239), (167, 121700), (334, 60850), (668, 30425), (835, 24340), (1217, 16700), (1670, 12170), (2434, 8350), (3340, 6085), (4175, 4868)]