20442856

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1637}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 23586584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1637, 1784, 3122, 3274, 6244, 6548, 11459, 12488, 13096, 22918, 45836, 91672, 365051, 730102, 1460204, 2555357, 2920408, 5110714, 10221428, 20442856]

約数ペア:

[(1, 20442856), (2, 10221428), (4, 5110714), (7, 2920408), (8, 2555357), (14, 1460204), (28, 730102), (56, 365051), (223, 91672), (446, 45836), (892, 22918), (1561, 13096), (1637, 12488), (1784, 11459), (3122, 6548), (3274, 6244)]