20185089220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{184879}}^1$

素因数の和:185044

約数の個数: 48

約数和(自身を含む): 43608015360

約数和(自身を除く): 23422926140

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 412, 515, 530, 1030, 1060, 2060, 5459, 10918, 21836, 27295, 54590, 109180, 184879, 369758, 739516, 924395, 1848790, 3697580, 9798587, 19042537, 19597174, 38085074, 39194348, 48992935, 76170148, 95212685, 97985870, 190425370, 195971740, 380850740, 1009254461, 2018508922, 4037017844, 5046272305, 10092544610, 20185089220]

約数ペア:

[(1, 20185089220), (2, 10092544610), (4, 5046272305), (5, 4037017844), (10, 2018508922), (20, 1009254461), (53, 380850740), (103, 195971740), (106, 190425370), (206, 97985870), (212, 95212685), (265, 76170148), (412, 48992935), (515, 39194348), (530, 38085074), (1030, 19597174), (1060, 19042537), (2060, 9798587), (5459, 3697580), (10918, 1848790), (21836, 924395), (27295, 739516), (54590, 369758), (109180, 184879)]