20199721220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144283723}}^1$

素因数の和:144283739

約数の個数: 24

約数和(自身を含む): 48479331264

約数和(自身を除く): 28279610044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144283723, 288567446, 577134892, 721418615, 1009986061, 1442837230, 2019972122, 2885674460, 4039944244, 5049930305, 10099860610, 20199721220]

約数ペア:

[(1, 20199721220), (2, 10099860610), (4, 5049930305), (5, 4039944244), (7, 2885674460), (10, 2019972122), (14, 1442837230), (20, 1009986061), (28, 721418615), (35, 577134892), (70, 288567446), (140, 144283723)]