20711450

素因数分解:

$2^1\times 5^2\times {\mathrm{467}}^1\times {\mathrm{887}}^1$

素因数の和:1366

約数の個数: 24

約数和(自身を含む): 38649312

約数和(自身を除く): 17937862

約数列:

[1, 2, 5, 10, 25, 50, 467, 887, 934, 1774, 2335, 4435, 4670, 8870, 11675, 22175, 23350, 44350, 414229, 828458, 2071145, 4142290, 10355725, 20711450]

約数ペア:

[(1, 20711450), (2, 10355725), (5, 4142290), (10, 2071145), (25, 828458), (50, 414229), (467, 44350), (887, 23350), (934, 22175), (1774, 11675), (2335, 8870), (4435, 4670)]