20551075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 26926848

約数和(自身を除く): 6375773

約数列:

[1, 5, 23, 25, 103, 115, 347, 515, 575, 1735, 2369, 2575, 7981, 8675, 11845, 35741, 39905, 59225, 178705, 199525, 822043, 893525, 4110215, 20551075]

約数ペア:

[(1, 20551075), (5, 4110215), (23, 893525), (25, 822043), (103, 199525), (115, 178705), (347, 59225), (515, 39905), (575, 35741), (1735, 11845), (2369, 8675), (2575, 7981)]