20199442760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72140867}}^1$

素因数の和:72140885

約数の個数: 32

約数和(自身を含む): 51941424960

約数和(自身を除く): 31741982200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72140867, 144281734, 288563468, 360704335, 504986069, 577126936, 721408670, 1009972138, 1442817340, 2019944276, 2524930345, 2885634680, 4039888552, 5049860690, 10099721380, 20199442760]

約数ペア:

[(1, 20199442760), (2, 10099721380), (4, 5049860690), (5, 4039888552), (7, 2885634680), (8, 2524930345), (10, 2019944276), (14, 1442817340), (20, 1009972138), (28, 721408670), (35, 577126936), (40, 504986069), (56, 360704335), (70, 288563468), (140, 144281734), (280, 72140867)]