20736957020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1504859}}^1$

素因数の和:1504934

約数の個数: 48

約数和(自身を含む): 47782314720

約数和(自身を除く): 27045357700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 1504859, 3009718, 6019436, 7524295, 15048590, 19563167, 30097180, 39126334, 78252668, 79757527, 97815835, 159515054, 195631670, 319030108, 391263340, 398787635, 797575270, 1036847851, 1595150540, 2073695702, 4147391404, 5184239255, 10368478510, 20736957020]

約数ペア:

[(1, 20736957020), (2, 10368478510), (4, 5184239255), (5, 4147391404), (10, 2073695702), (13, 1595150540), (20, 1036847851), (26, 797575270), (52, 398787635), (53, 391263340), (65, 319030108), (106, 195631670), (130, 159515054), (212, 97815835), (260, 79757527), (265, 78252668), (530, 39126334), (689, 30097180), (1060, 19563167), (1378, 15048590), (2756, 7524295), (3445, 6019436), (6890, 3009718), (13780, 1504859)]