16551940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4201}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 34943832

約数和(自身を除く): 18391892

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4201, 8402, 16804, 21005, 42010, 84020, 827597, 1655194, 3310388, 4137985, 8275970, 16551940]

約数ペア:

[(1, 16551940), (2, 8275970), (4, 4137985), (5, 3310388), (10, 1655194), (20, 827597), (197, 84020), (394, 42010), (788, 21005), (985, 16804), (1970, 8402), (3940, 4201)]