20815712

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2917}}^1$

素因数の和:3150

約数の個数: 24

約数和(自身を含む): 41178816

約数和(自身を除く): 20363104

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2917, 3568, 5834, 7136, 11668, 23336, 46672, 93344, 650491, 1300982, 2601964, 5203928, 10407856, 20815712]

約数ペア:

[(1, 20815712), (2, 10407856), (4, 5203928), (8, 2601964), (16, 1300982), (32, 650491), (223, 93344), (446, 46672), (892, 23336), (1784, 11668), (2917, 7136), (3568, 5834)]