20164060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1973}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 49081536

約数和(自身を除く): 28917476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1973, 2044, 2555, 3946, 5110, 7892, 9865, 10220, 13811, 19730, 27622, 39460, 55244, 69055, 138110, 144029, 276220, 288058, 576116, 720145, 1008203, 1440290, 2016406, 2880580, 4032812, 5041015, 10082030, 20164060]

約数ペア:

[(1, 20164060), (2, 10082030), (4, 5041015), (5, 4032812), (7, 2880580), (10, 2016406), (14, 1440290), (20, 1008203), (28, 720145), (35, 576116), (70, 288058), (73, 276220), (140, 144029), (146, 138110), (292, 69055), (365, 55244), (511, 39460), (730, 27622), (1022, 19730), (1460, 13811), (1973, 10220), (2044, 9865), (2555, 7892), (3946, 5110)]