20302000

素因数分解:

$2^4\times 5^3\times {\mathrm{10151}}^1$

素因数の和:10174

約数の個数: 40

約数和(自身を含む): 49095072

約数和(自身を除く): 28793072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10151, 20302, 40604, 50755, 81208, 101510, 162416, 203020, 253775, 406040, 507550, 812080, 1015100, 1268875, 2030200, 2537750, 4060400, 5075500, 10151000, 20302000]

約数ペア:

[(1, 20302000), (2, 10151000), (4, 5075500), (5, 4060400), (8, 2537750), (10, 2030200), (16, 1268875), (20, 1015100), (25, 812080), (40, 507550), (50, 406040), (80, 253775), (100, 203020), (125, 162416), (200, 101510), (250, 81208), (400, 50755), (500, 40604), (1000, 20302), (2000, 10151)]