20194333820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7707761}}^1$

素因数の和:7707901

約数の個数: 24

約数和(自身を含む): 42731832528

約数和(自身を除く): 22537498708

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7707761, 15415522, 30831044, 38538805, 77077610, 154155220, 1009716691, 2019433382, 4038866764, 5048583455, 10097166910, 20194333820]

約数ペア:

[(1, 20194333820), (2, 10097166910), (4, 5048583455), (5, 4038866764), (10, 2019433382), (20, 1009716691), (131, 154155220), (262, 77077610), (524, 38538805), (655, 30831044), (1310, 15415522), (2620, 7707761)]