20471536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 42613344

約数和(自身を除く): 22141808

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1031, 1168, 1241, 2062, 2482, 4124, 4964, 8248, 9928, 16496, 17527, 19856, 35054, 70108, 75263, 140216, 150526, 280432, 301052, 602104, 1204208, 1279471, 2558942, 5117884, 10235768, 20471536]

約数ペア:

[(1, 20471536), (2, 10235768), (4, 5117884), (8, 2558942), (16, 1279471), (17, 1204208), (34, 602104), (68, 301052), (73, 280432), (136, 150526), (146, 140216), (272, 75263), (292, 70108), (584, 35054), (1031, 19856), (1168, 17527), (1241, 16496), (2062, 9928), (2482, 8248), (4124, 4964)]