20451776

素因数分解:

$2^6\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1668

約数の個数: 28

約数和(自身を含む): 40794432

約数和(自身を除く): 20342656

約数列:

[1, 2, 4, 8, 16, 32, 64, 223, 446, 892, 1433, 1784, 2866, 3568, 5732, 7136, 11464, 14272, 22928, 45856, 91712, 319559, 639118, 1278236, 2556472, 5112944, 10225888, 20451776]

約数ペア:

[(1, 20451776), (2, 10225888), (4, 5112944), (8, 2556472), (16, 1278236), (32, 639118), (64, 319559), (223, 91712), (446, 45856), (892, 22928), (1433, 14272), (1784, 11464), (2866, 7136), (3568, 5732)]