20243800

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 27253160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 797, 1016, 1270, 1594, 2540, 3175, 3188, 3985, 5080, 6350, 6376, 7970, 12700, 15940, 19925, 25400, 31880, 39850, 79700, 101219, 159400, 202438, 404876, 506095, 809752, 1012190, 2024380, 2530475, 4048760, 5060950, 10121900, 20243800]

約数ペア:

[(1, 20243800), (2, 10121900), (4, 5060950), (5, 4048760), (8, 2530475), (10, 2024380), (20, 1012190), (25, 809752), (40, 506095), (50, 404876), (100, 202438), (127, 159400), (200, 101219), (254, 79700), (508, 39850), (635, 31880), (797, 25400), (1016, 19925), (1270, 15940), (1594, 12700), (2540, 7970), (3175, 6376), (3188, 6350), (3985, 5080)]