20163699836

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{110909}}^1$

素因数の和:111114

約数の個数: 48

約数和(自身を含む): 41538900480

約数和(自身を除く): 21375200644

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 151, 172, 301, 302, 602, 604, 1057, 1204, 2114, 4228, 6493, 12986, 25972, 45451, 90902, 110909, 181804, 221818, 443636, 776363, 1552726, 3105452, 4769087, 9538174, 16747259, 19076348, 33383609, 33494518, 66767218, 66989036, 117230813, 133534436, 234461626, 468923252, 720132137, 1440264274, 2880528548, 5040924959, 10081849918, 20163699836]

約数ペア:

[(1, 20163699836), (2, 10081849918), (4, 5040924959), (7, 2880528548), (14, 1440264274), (28, 720132137), (43, 468923252), (86, 234461626), (151, 133534436), (172, 117230813), (301, 66989036), (302, 66767218), (602, 33494518), (604, 33383609), (1057, 19076348), (1204, 16747259), (2114, 9538174), (4228, 4769087), (6493, 3105452), (12986, 1552726), (25972, 776363), (45451, 443636), (90902, 221818), (110909, 181804)]