20276500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24539180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 379, 428, 500, 535, 758, 1070, 1516, 1895, 2140, 2675, 3790, 5350, 7580, 9475, 10700, 13375, 18950, 26750, 37900, 40553, 47375, 53500, 81106, 94750, 162212, 189500, 202765, 405530, 811060, 1013825, 2027650, 4055300, 5069125, 10138250, 20276500]

約数ペア:

[(1, 20276500), (2, 10138250), (4, 5069125), (5, 4055300), (10, 2027650), (20, 1013825), (25, 811060), (50, 405530), (100, 202765), (107, 189500), (125, 162212), (214, 94750), (250, 81106), (379, 53500), (428, 47375), (500, 40553), (535, 37900), (758, 26750), (1070, 18950), (1516, 13375), (1895, 10700), (2140, 9475), (2675, 7580), (3790, 5350)]