20502180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37967}}^1$

素因数の和:37985

約数の個数: 48

約数和(自身を含む): 63786240

約数和(自身を除く): 43284060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37967, 75934, 113901, 151868, 189835, 227802, 341703, 379670, 455604, 569505, 683406, 759340, 1025109, 1139010, 1366812, 1708515, 2050218, 2278020, 3417030, 4100436, 5125545, 6834060, 10251090, 20502180]

約数ペア:

[(1, 20502180), (2, 10251090), (3, 6834060), (4, 5125545), (5, 4100436), (6, 3417030), (9, 2278020), (10, 2050218), (12, 1708515), (15, 1366812), (18, 1139010), (20, 1025109), (27, 759340), (30, 683406), (36, 569505), (45, 455604), (54, 379670), (60, 341703), (90, 227802), (108, 189835), (135, 151868), (180, 113901), (270, 75934), (540, 37967)]