20193485240

素因数分解:

$2^3\times 5^1\times {\mathrm{504837131}}^1$

素因数の和:504837142

約数の個数: 16

約数和(自身を含む): 45435341880

約数和(自身を除く): 25241856640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504837131, 1009674262, 2019348524, 2524185655, 4038697048, 5048371310, 10096742620, 20193485240]

約数ペア:

[(1, 20193485240), (2, 10096742620), (4, 5048371310), (5, 4038697048), (8, 2524185655), (10, 2019348524), (20, 1009674262), (40, 504837131)]