20547077300

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1478207}}^1$

素因数の和:1478360

約数の個数: 36

約数和(自身を含む): 44907959040

約数和(自身を除く): 24360881740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 1478207, 2956414, 5912828, 7391035, 14782070, 29564140, 36955175, 73910350, 147820700, 205470773, 410941546, 821883092, 1027353865, 2054707730, 4109415460, 5136769325, 10273538650, 20547077300]

約数ペア:

[(1, 20547077300), (2, 10273538650), (4, 5136769325), (5, 4109415460), (10, 2054707730), (20, 1027353865), (25, 821883092), (50, 410941546), (100, 205470773), (139, 147820700), (278, 73910350), (556, 36955175), (695, 29564140), (1390, 14782070), (2780, 7391035), (3475, 5912828), (6950, 2956414), (13900, 1478207)]