20104431400

素因数分解:

$2^3\times 5^2\times {\mathrm{487}}^1\times {\mathrm{206411}}^1$

素因数の和:206914

約数の個数: 48

約数和(自身を含む): 46839011040

約数和(自身を除く): 26734579640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 487, 974, 1948, 2435, 3896, 4870, 9740, 12175, 19480, 24350, 48700, 97400, 206411, 412822, 825644, 1032055, 1651288, 2064110, 4128220, 5160275, 8256440, 10320550, 20641100, 41282200, 100522157, 201044314, 402088628, 502610785, 804177256, 1005221570, 2010443140, 2513053925, 4020886280, 5026107850, 10052215700, 20104431400]

約数ペア:

[(1, 20104431400), (2, 10052215700), (4, 5026107850), (5, 4020886280), (8, 2513053925), (10, 2010443140), (20, 1005221570), (25, 804177256), (40, 502610785), (50, 402088628), (100, 201044314), (200, 100522157), (487, 41282200), (974, 20641100), (1948, 10320550), (2435, 8256440), (3896, 5160275), (4870, 4128220), (9740, 2064110), (12175, 1651288), (19480, 1032055), (24350, 825644), (48700, 412822), (97400, 206411)]