33820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:117

約数の個数: 24

約数和(自身を含む): 75600

約数和(自身を除く): 41780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820]

約数ペア:

[(1, 33820), (2, 16910), (4, 8455), (5, 6764), (10, 3382), (19, 1780), (20, 1691), (38, 890), (76, 445), (89, 380), (95, 356), (178, 190)]