20775060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 63432096

約数和(自身を除く): 42657036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 547, 633, 844, 1055, 1094, 1266, 1641, 1899, 2110, 2188, 2532, 2735, 3165, 3282, 3798, 4220, 4923, 5470, 6330, 6564, 7596, 8205, 9495, 9846, 10940, 12660, 16410, 18990, 19692, 24615, 32820, 37980, 49230, 98460, 115417, 230834, 346251, 461668, 577085, 692502, 1038753, 1154170, 1385004, 1731255, 2077506, 2308340, 3462510, 4155012, 5193765, 6925020, 10387530, 20775060]

約数ペア:

[(1, 20775060), (2, 10387530), (3, 6925020), (4, 5193765), (5, 4155012), (6, 3462510), (9, 2308340), (10, 2077506), (12, 1731255), (15, 1385004), (18, 1154170), (20, 1038753), (30, 692502), (36, 577085), (45, 461668), (60, 346251), (90, 230834), (180, 115417), (211, 98460), (422, 49230), (547, 37980), (633, 32820), (844, 24615), (1055, 19692), (1094, 18990), (1266, 16410), (1641, 12660), (1899, 10940), (2110, 9846), (2188, 9495), (2532, 8205), (2735, 7596), (3165, 6564), (3282, 6330), (3798, 5470), (4220, 4923)]