20320364032

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{6947}}^1$

素因数の和:7191

約数の個数: 80

約数和(自身を含む): 42220355760

約数和(自身を除く): 21899991728

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 197, 232, 256, 394, 464, 512, 788, 928, 1576, 1856, 3152, 3712, 5713, 6304, 6947, 7424, 11426, 12608, 13894, 14848, 22852, 25216, 27788, 45704, 50432, 55576, 91408, 100864, 111152, 182816, 201463, 222304, 365632, 402926, 444608, 731264, 805852, 889216, 1368559, 1462528, 1611704, 1778432, 2737118, 2925056, 3223408, 3556864, 5474236, 6446816, 10948472, 12893632, 21896944, 25787264, 39688211, 43793888, 51574528, 79376422, 87587776, 103149056, 158752844, 175175552, 317505688, 350351104, 635011376, 700702208, 1270022752, 2540045504, 5080091008, 10160182016, 20320364032]

約数ペア:

[(1, 20320364032), (2, 10160182016), (4, 5080091008), (8, 2540045504), (16, 1270022752), (29, 700702208), (32, 635011376), (58, 350351104), (64, 317505688), (116, 175175552), (128, 158752844), (197, 103149056), (232, 87587776), (256, 79376422), (394, 51574528), (464, 43793888), (512, 39688211), (788, 25787264), (928, 21896944), (1576, 12893632), (1856, 10948472), (3152, 6446816), (3712, 5474236), (5713, 3556864), (6304, 3223408), (6947, 2925056), (7424, 2737118), (11426, 1778432), (12608, 1611704), (13894, 1462528), (14848, 1368559), (22852, 889216), (25216, 805852), (27788, 731264), (45704, 444608), (50432, 402926), (55576, 365632), (91408, 222304), (100864, 201463), (111152, 182816)]