20120779868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{4241}}^1$

素因数の和:4467

約数の個数: 96

約数和(自身を含む): 43101434880

約数和(自身を除く): 22980655012

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 139, 161, 212, 278, 322, 371, 556, 644, 742, 973, 1219, 1484, 1946, 2438, 3197, 3892, 4241, 4876, 6394, 7367, 8482, 8533, 12788, 14734, 16964, 17066, 22379, 29468, 29687, 34132, 44758, 51569, 59374, 89516, 97543, 103138, 118748, 169441, 195086, 206276, 224773, 338882, 390172, 449546, 589499, 677764, 682801, 899092, 1178998, 1186087, 1365602, 1573411, 2357996, 2372174, 2731204, 3146822, 4126493, 4744348, 5169779, 6293644, 8252986, 10339558, 13558477, 16505972, 20679116, 27116954, 31243447, 36188453, 54233908, 62486894, 72376906, 94909339, 124973788, 144753812, 189818678, 218704129, 379637356, 437408258, 718599281, 874816516, 1437198562, 2874397124, 5030194967, 10060389934, 20120779868]

約数ペア:

[(1, 20120779868), (2, 10060389934), (4, 5030194967), (7, 2874397124), (14, 1437198562), (23, 874816516), (28, 718599281), (46, 437408258), (53, 379637356), (92, 218704129), (106, 189818678), (139, 144753812), (161, 124973788), (212, 94909339), (278, 72376906), (322, 62486894), (371, 54233908), (556, 36188453), (644, 31243447), (742, 27116954), (973, 20679116), (1219, 16505972), (1484, 13558477), (1946, 10339558), (2438, 8252986), (3197, 6293644), (3892, 5169779), (4241, 4744348), (4876, 4126493), (6394, 3146822), (7367, 2731204), (8482, 2372174), (8533, 2357996), (12788, 1573411), (14734, 1365602), (16964, 1186087), (17066, 1178998), (22379, 899092), (29468, 682801), (29687, 677764), (34132, 589499), (44758, 449546), (51569, 390172), (59374, 338882), (89516, 224773), (97543, 206276), (103138, 195086), (118748, 169441)]