20456445328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{3089}}^1$

素因数の和:3496

約数の個数: 80

約数和(自身を含む): 43698631680

約数和(自身を除く): 23242186352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 197, 382, 394, 764, 788, 1528, 1576, 2101, 2167, 3056, 3089, 3152, 4202, 4334, 6178, 8404, 8668, 12356, 16808, 17336, 24712, 33616, 33979, 34672, 37627, 49424, 67958, 75254, 135916, 150508, 271832, 301016, 413897, 543664, 589999, 602032, 608533, 827794, 1179998, 1217066, 1655588, 2359996, 2434132, 3311176, 4719992, 4868264, 6489989, 6622352, 6693863, 9439984, 9736528, 12979978, 13387726, 25959956, 26775452, 51919912, 53550904, 103839824, 107101808, 116229803, 232459606, 464919212, 929838424, 1278527833, 1859676848, 2557055666, 5114111332, 10228222664, 20456445328]

約数ペア:

[(1, 20456445328), (2, 10228222664), (4, 5114111332), (8, 2557055666), (11, 1859676848), (16, 1278527833), (22, 929838424), (44, 464919212), (88, 232459606), (176, 116229803), (191, 107101808), (197, 103839824), (382, 53550904), (394, 51919912), (764, 26775452), (788, 25959956), (1528, 13387726), (1576, 12979978), (2101, 9736528), (2167, 9439984), (3056, 6693863), (3089, 6622352), (3152, 6489989), (4202, 4868264), (4334, 4719992), (6178, 3311176), (8404, 2434132), (8668, 2359996), (12356, 1655588), (16808, 1217066), (17336, 1179998), (24712, 827794), (33616, 608533), (33979, 602032), (34672, 589999), (37627, 543664), (49424, 413897), (67958, 301016), (75254, 271832), (135916, 150508)]