2020654820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{669091}}^1$

素因数の和:669251

約数の個数: 24

約数和(自身を含む): 4271483328

約数和(自身を除く): 2250828508

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 669091, 1338182, 2676364, 3345455, 6690910, 13381820, 101032741, 202065482, 404130964, 505163705, 1010327410, 2020654820]

約数ペア:

[(1, 2020654820), (2, 1010327410), (4, 505163705), (5, 404130964), (10, 202065482), (20, 101032741), (151, 13381820), (302, 6690910), (604, 3345455), (755, 2676364), (1510, 1338182), (3020, 669091)]