20211783890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1\times {\mathrm{42239}}^1$

素因数の和:42794

約数の個数: 32

約数和(自身を含む): 36799488000

約数和(自身を除く): 16587704110

約数列:

[1, 2, 5, 10, 109, 218, 439, 545, 878, 1090, 2195, 4390, 42239, 47851, 84478, 95702, 211195, 239255, 422390, 478510, 4604051, 9208102, 18542921, 23020255, 37085842, 46040510, 92714605, 185429210, 2021178389, 4042356778, 10105891945, 20211783890]

約数ペア:

[(1, 20211783890), (2, 10105891945), (5, 4042356778), (10, 2021178389), (109, 185429210), (218, 92714605), (439, 46040510), (545, 37085842), (878, 23020255), (1090, 18542921), (2195, 9208102), (4390, 4604051), (42239, 478510), (47851, 422390), (84478, 239255), (95702, 211195)]