20196940

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1327}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 42501312

約数和(自身を除く): 22304372

約数列:

[1, 2, 4, 5, 10, 20, 761, 1327, 1522, 2654, 3044, 3805, 5308, 6635, 7610, 13270, 15220, 26540, 1009847, 2019694, 4039388, 5049235, 10098470, 20196940]

約数ペア:

[(1, 20196940), (2, 10098470), (4, 5049235), (5, 4039388), (10, 2019694), (20, 1009847), (761, 26540), (1327, 15220), (1522, 13270), (2654, 7610), (3044, 6635), (3805, 5308)]