20927376

素因数分解:

$2^4\times 3^3\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 60621120

約数和(自身を除く): 39693744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 193, 216, 251, 386, 432, 502, 579, 753, 772, 1004, 1158, 1506, 1544, 1737, 2008, 2259, 2316, 3012, 3088, 3474, 4016, 4518, 4632, 5211, 6024, 6777, 6948, 9036, 9264, 10422, 12048, 13554, 13896, 18072, 20844, 27108, 27792, 36144, 41688, 48443, 54216, 83376, 96886, 108432, 145329, 193772, 290658, 387544, 435987, 581316, 775088, 871974, 1162632, 1307961, 1743948, 2325264, 2615922, 3487896, 5231844, 6975792, 10463688, 20927376]

約数ペア:

[(1, 20927376), (2, 10463688), (3, 6975792), (4, 5231844), (6, 3487896), (8, 2615922), (9, 2325264), (12, 1743948), (16, 1307961), (18, 1162632), (24, 871974), (27, 775088), (36, 581316), (48, 435987), (54, 387544), (72, 290658), (108, 193772), (144, 145329), (193, 108432), (216, 96886), (251, 83376), (386, 54216), (432, 48443), (502, 41688), (579, 36144), (753, 27792), (772, 27108), (1004, 20844), (1158, 18072), (1506, 13896), (1544, 13554), (1737, 12048), (2008, 10422), (2259, 9264), (2316, 9036), (3012, 6948), (3088, 6777), (3474, 6024), (4016, 5211), (4518, 4632)]