2021902090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{42379}}^1$

素因数の和:42766

約数の個数: 32

約数和(自身を含む): 3930151680

約数和(自身を除く): 1908249590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 367, 734, 1835, 3670, 4771, 9542, 23855, 42379, 47710, 84758, 211895, 423790, 550927, 1101854, 2754635, 5509270, 15553093, 31106186, 77765465, 155530930, 202190209, 404380418, 1010951045, 2021902090]

約数ペア:

[(1, 2021902090), (2, 1010951045), (5, 404380418), (10, 202190209), (13, 155530930), (26, 77765465), (65, 31106186), (130, 15553093), (367, 5509270), (734, 2754635), (1835, 1101854), (3670, 550927), (4771, 423790), (9542, 211895), (23855, 84758), (42379, 47710)]