20932358048

素因数分解:

$2^5\times 7^1\times {\mathrm{257}}^1\times {\mathrm{363611}}^1$

素因数の和:363885

約数の個数: 48

約数和(自身を含む): 47281195584

約数和(自身を除く): 26348837536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 257, 514, 1028, 1799, 2056, 3598, 4112, 7196, 8224, 14392, 28784, 57568, 363611, 727222, 1454444, 2545277, 2908888, 5090554, 5817776, 10181108, 11635552, 20362216, 40724432, 81448864, 93448027, 186896054, 373792108, 654136189, 747584216, 1308272378, 1495168432, 2616544756, 2990336864, 5233089512, 10466179024, 20932358048]

約数ペア:

[(1, 20932358048), (2, 10466179024), (4, 5233089512), (7, 2990336864), (8, 2616544756), (14, 1495168432), (16, 1308272378), (28, 747584216), (32, 654136189), (56, 373792108), (112, 186896054), (224, 93448027), (257, 81448864), (514, 40724432), (1028, 20362216), (1799, 11635552), (2056, 10181108), (3598, 5817776), (4112, 5090554), (7196, 2908888), (8224, 2545277), (14392, 1454444), (28784, 727222), (57568, 363611)]