20764928

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2842

約数の個数: 36

約数和(自身を含む): 42893340

約数和(自身を除く): 22128412

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2797, 3712, 5594, 7424, 11188, 22376, 44752, 81113, 89504, 162226, 179008, 324452, 358016, 648904, 716032, 1297808, 2595616, 5191232, 10382464, 20764928]

約数ペア:

[(1, 20764928), (2, 10382464), (4, 5191232), (8, 2595616), (16, 1297808), (29, 716032), (32, 648904), (58, 358016), (64, 324452), (116, 179008), (128, 162226), (232, 89504), (256, 81113), (464, 44752), (928, 22376), (1856, 11188), (2797, 7424), (3712, 5594)]