20803926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24247}}^1$

素因数の和:24276

約数の個数: 32

約数和(自身を含む): 48883968

約数和(自身を除く): 28080042

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24247, 48494, 72741, 145482, 266717, 315211, 533434, 630422, 800151, 945633, 1600302, 1891266, 3467321, 6934642, 10401963, 20803926]

約数ペア:

[(1, 20803926), (2, 10401963), (3, 6934642), (6, 3467321), (11, 1891266), (13, 1600302), (22, 945633), (26, 800151), (33, 630422), (39, 533434), (66, 315211), (78, 266717), (143, 145482), (286, 72741), (429, 48494), (858, 24247)]