20385432

素因数分解:

$2^3\times 3^4\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 57746040

約数和(自身を除く): 37360608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 163, 193, 216, 324, 326, 386, 489, 579, 648, 652, 772, 978, 1158, 1304, 1467, 1544, 1737, 1956, 2316, 2934, 3474, 3912, 4401, 4632, 5211, 5868, 6948, 8802, 10422, 11736, 13203, 13896, 15633, 17604, 20844, 26406, 31266, 31459, 35208, 41688, 52812, 62532, 62918, 94377, 105624, 125064, 125836, 188754, 251672, 283131, 377508, 566262, 755016, 849393, 1132524, 1698786, 2265048, 2548179, 3397572, 5096358, 6795144, 10192716, 20385432]

約数ペア:

[(1, 20385432), (2, 10192716), (3, 6795144), (4, 5096358), (6, 3397572), (8, 2548179), (9, 2265048), (12, 1698786), (18, 1132524), (24, 849393), (27, 755016), (36, 566262), (54, 377508), (72, 283131), (81, 251672), (108, 188754), (162, 125836), (163, 125064), (193, 105624), (216, 94377), (324, 62918), (326, 62532), (386, 52812), (489, 41688), (579, 35208), (648, 31459), (652, 31266), (772, 26406), (978, 20844), (1158, 17604), (1304, 15633), (1467, 13896), (1544, 13203), (1737, 11736), (1956, 10422), (2316, 8802), (2934, 6948), (3474, 5868), (3912, 5211), (4401, 4632)]