20626440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10111}}^1$

素因数の和:10142

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 44899320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10111, 20222, 30333, 40444, 50555, 60666, 80888, 101110, 121332, 151665, 171887, 202220, 242664, 303330, 343774, 404440, 515661, 606660, 687548, 859435, 1031322, 1213320, 1375096, 1718870, 2062644, 2578305, 3437740, 4125288, 5156610, 6875480, 10313220, 20626440]

約数ペア:

[(1, 20626440), (2, 10313220), (3, 6875480), (4, 5156610), (5, 4125288), (6, 3437740), (8, 2578305), (10, 2062644), (12, 1718870), (15, 1375096), (17, 1213320), (20, 1031322), (24, 859435), (30, 687548), (34, 606660), (40, 515661), (51, 404440), (60, 343774), (68, 303330), (85, 242664), (102, 202220), (120, 171887), (136, 151665), (170, 121332), (204, 101110), (255, 80888), (340, 60666), (408, 50555), (510, 40444), (680, 30333), (1020, 20222), (2040, 10111)]