2020220560

素因数分解:

$2^4\times 5^1\times {\mathrm{25252757}}^1$

素因数の和:25252770

約数の個数: 20

約数和(自身を含む): 4697012988

約数和(自身を除く): 2676792428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25252757, 50505514, 101011028, 126263785, 202022056, 252527570, 404044112, 505055140, 1010110280, 2020220560]

約数ペア:

[(1, 2020220560), (2, 1010110280), (4, 505055140), (5, 404044112), (8, 252527570), (10, 202022056), (16, 126263785), (20, 101011028), (40, 50505514), (80, 25252757)]