20161788860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{544031}}^1$

素因数の和:544166

約数の個数: 48

約数和(自身を含む): 45241701120

約数和(自身を除く): 25079912260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 9265, 18530, 37060, 544031, 1088062, 2176124, 2720155, 5440310, 9248527, 10880620, 18497054, 36994108, 46242635, 59299379, 92485270, 118598758, 184970540, 237197516, 296496895, 592993790, 1008089443, 1185987580, 2016178886, 4032357772, 5040447215, 10080894430, 20161788860]

約数ペア:

[(1, 20161788860), (2, 10080894430), (4, 5040447215), (5, 4032357772), (10, 2016178886), (17, 1185987580), (20, 1008089443), (34, 592993790), (68, 296496895), (85, 237197516), (109, 184970540), (170, 118598758), (218, 92485270), (340, 59299379), (436, 46242635), (545, 36994108), (1090, 18497054), (1853, 10880620), (2180, 9248527), (3706, 5440310), (7412, 2720155), (9265, 2176124), (18530, 1088062), (37060, 544031)]