20875700

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1951}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 45747072

約数和(自身を除く): 24871372

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 1951, 2140, 2675, 3902, 5350, 7804, 9755, 10700, 19510, 39020, 48775, 97550, 195100, 208757, 417514, 835028, 1043785, 2087570, 4175140, 5218925, 10437850, 20875700]

約数ペア:

[(1, 20875700), (2, 10437850), (4, 5218925), (5, 4175140), (10, 2087570), (20, 1043785), (25, 835028), (50, 417514), (100, 208757), (107, 195100), (214, 97550), (428, 48775), (535, 39020), (1070, 19510), (1951, 10700), (2140, 9755), (2675, 7804), (3902, 5350)]