20417012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 44943360

約数和(自身を除く): 24526348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 151, 154, 302, 308, 439, 604, 878, 1057, 1661, 1756, 2114, 3073, 3322, 4228, 4829, 6146, 6644, 9658, 11627, 12292, 19316, 23254, 33803, 46508, 66289, 67606, 132578, 135212, 265156, 464023, 729179, 928046, 1458358, 1856092, 2916716, 5104253, 10208506, 20417012]

約数ペア:

[(1, 20417012), (2, 10208506), (4, 5104253), (7, 2916716), (11, 1856092), (14, 1458358), (22, 928046), (28, 729179), (44, 464023), (77, 265156), (151, 135212), (154, 132578), (302, 67606), (308, 66289), (439, 46508), (604, 33803), (878, 23254), (1057, 19316), (1661, 12292), (1756, 11627), (2114, 9658), (3073, 6644), (3322, 6146), (4228, 4829)]