20533600

素因数分解:

$2^5\times 5^2\times {\mathrm{25667}}^1$

素因数の和:25687

約数の個数: 36

約数和(自身を含む): 50129604

約数和(自身を除く): 29596004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25667, 51334, 102668, 128335, 205336, 256670, 410672, 513340, 641675, 821344, 1026680, 1283350, 2053360, 2566700, 4106720, 5133400, 10266800, 20533600]

約数ペア:

[(1, 20533600), (2, 10266800), (4, 5133400), (5, 4106720), (8, 2566700), (10, 2053360), (16, 1283350), (20, 1026680), (25, 821344), (32, 641675), (40, 513340), (50, 410672), (80, 256670), (100, 205336), (160, 128335), (200, 102668), (400, 51334), (800, 25667)]