20896500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13931}}^1$

素因数の和:13953

約数の個数: 48

約数和(自身を含む): 60854976

約数和(自身を除く): 39958476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13931, 27862, 41793, 55724, 69655, 83586, 139310, 167172, 208965, 278620, 348275, 417930, 696550, 835860, 1044825, 1393100, 1741375, 2089650, 3482750, 4179300, 5224125, 6965500, 10448250, 20896500]

約数ペア:

[(1, 20896500), (2, 10448250), (3, 6965500), (4, 5224125), (5, 4179300), (6, 3482750), (10, 2089650), (12, 1741375), (15, 1393100), (20, 1044825), (25, 835860), (30, 696550), (50, 417930), (60, 348275), (75, 278620), (100, 208965), (125, 167172), (150, 139310), (250, 83586), (300, 69655), (375, 55724), (500, 41793), (750, 27862), (1500, 13931)]