20946836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 38459904

約数和(自身を除く): 17513068

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 1021, 2042, 4084, 5129, 10258, 20516, 23483, 46966, 93932, 227683, 455366, 910732, 5236709, 10473418, 20946836]

約数ペア:

[(1, 20946836), (2, 10473418), (4, 5236709), (23, 910732), (46, 455366), (92, 227683), (223, 93932), (446, 46966), (892, 23483), (1021, 20516), (2042, 10258), (4084, 5129)]