20771050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5851}}^1$

素因数の和:5934

約数の個数: 24

約数和(自身を含む): 39184992

約数和(自身を除く): 18413942

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5851, 11702, 29255, 58510, 146275, 292550, 415421, 830842, 2077105, 4154210, 10385525, 20771050]

約数ペア:

[(1, 20771050), (2, 10385525), (5, 4154210), (10, 2077105), (25, 830842), (50, 415421), (71, 292550), (142, 146275), (355, 58510), (710, 29255), (1775, 11702), (3550, 5851)]