20686776

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 56954880

約数和(自身を除く): 36268104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 127, 132, 254, 264, 381, 508, 617, 762, 1016, 1234, 1397, 1524, 1851, 2468, 2794, 3048, 3702, 4191, 4936, 5588, 6787, 7404, 8382, 11176, 13574, 14808, 16764, 20361, 27148, 33528, 40722, 54296, 78359, 81444, 156718, 162888, 235077, 313436, 470154, 626872, 861949, 940308, 1723898, 1880616, 2585847, 3447796, 5171694, 6895592, 10343388, 20686776]

約数ペア:

[(1, 20686776), (2, 10343388), (3, 6895592), (4, 5171694), (6, 3447796), (8, 2585847), (11, 1880616), (12, 1723898), (22, 940308), (24, 861949), (33, 626872), (44, 470154), (66, 313436), (88, 235077), (127, 162888), (132, 156718), (254, 81444), (264, 78359), (381, 54296), (508, 40722), (617, 33528), (762, 27148), (1016, 20361), (1234, 16764), (1397, 14808), (1524, 13574), (1851, 11176), (2468, 8382), (2794, 7404), (3048, 6787), (3702, 5588), (4191, 4936)]