20178018248

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{1303}}^1\times {\mathrm{3803}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 37947182400

約数和(自身を除く): 17769164152

約数列:

[1, 2, 4, 8, 509, 1018, 1303, 2036, 2606, 3803, 4072, 5212, 7606, 10424, 15212, 30424, 663227, 1326454, 1935727, 2652908, 3871454, 4955309, 5305816, 7742908, 9910618, 15485816, 19821236, 39642472, 2522252281, 5044504562, 10089009124, 20178018248]

約数ペア:

[(1, 20178018248), (2, 10089009124), (4, 5044504562), (8, 2522252281), (509, 39642472), (1018, 19821236), (1303, 15485816), (2036, 9910618), (2606, 7742908), (3803, 5305816), (4072, 4955309), (5212, 3871454), (7606, 2652908), (10424, 1935727), (15212, 1326454), (30424, 663227)]