20390807752

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{32537}}^1$

素因数の和:32619

約数の個数: 96

約数和(自身を含む): 47604395520

約数和(自身を除く): 27213587768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 361, 434, 532, 589, 722, 868, 1064, 1178, 1444, 1736, 2356, 2527, 2888, 4123, 4712, 5054, 8246, 10108, 11191, 16492, 20216, 22382, 32537, 32984, 44764, 65074, 78337, 89528, 130148, 156674, 227759, 260296, 313348, 455518, 618203, 626696, 911036, 1008647, 1236406, 1822072, 2017294, 2472812, 4034588, 4327421, 4945624, 7060529, 8069176, 8654842, 11745857, 14121058, 17309684, 19164293, 23491714, 28242116, 34619368, 38328586, 46983428, 56484232, 76657172, 82220999, 93966856, 134150051, 153314344, 164441998, 268300102, 328883996, 364121567, 536600204, 657767992, 728243134, 1073200408, 1456486268, 2548850969, 2912972536, 5097701938, 10195403876, 20390807752]

約数ペア:

[(1, 20390807752), (2, 10195403876), (4, 5097701938), (7, 2912972536), (8, 2548850969), (14, 1456486268), (19, 1073200408), (28, 728243134), (31, 657767992), (38, 536600204), (56, 364121567), (62, 328883996), (76, 268300102), (124, 164441998), (133, 153314344), (152, 134150051), (217, 93966856), (248, 82220999), (266, 76657172), (361, 56484232), (434, 46983428), (532, 38328586), (589, 34619368), (722, 28242116), (868, 23491714), (1064, 19164293), (1178, 17309684), (1444, 14121058), (1736, 11745857), (2356, 8654842), (2527, 8069176), (2888, 7060529), (4123, 4945624), (4712, 4327421), (5054, 4034588), (8246, 2472812), (10108, 2017294), (11191, 1822072), (16492, 1236406), (20216, 1008647), (22382, 911036), (32537, 626696), (32984, 618203), (44764, 455518), (65074, 313348), (78337, 260296), (89528, 227759), (130148, 156674)]