20321388

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2267}}^1$

素因数の和:2363

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 33021972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2267, 2988, 4482, 4534, 6801, 8964, 9068, 13602, 20403, 27204, 40806, 61209, 81612, 122418, 188161, 244836, 376322, 564483, 752644, 1128966, 1693449, 2257932, 3386898, 5080347, 6773796, 10160694, 20321388]

約数ペア:

[(1, 20321388), (2, 10160694), (3, 6773796), (4, 5080347), (6, 3386898), (9, 2257932), (12, 1693449), (18, 1128966), (27, 752644), (36, 564483), (54, 376322), (83, 244836), (108, 188161), (166, 122418), (249, 81612), (332, 61209), (498, 40806), (747, 27204), (996, 20403), (1494, 13602), (2241, 9068), (2267, 8964), (2988, 6801), (4482, 4534)]