20616448

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2822

約数の個数: 36

約数和(自身を含む): 42586740

約数和(自身を除く): 21970292

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2777, 3712, 5554, 7424, 11108, 22216, 44432, 80533, 88864, 161066, 177728, 322132, 355456, 644264, 710912, 1288528, 2577056, 5154112, 10308224, 20616448]

約数ペア:

[(1, 20616448), (2, 10308224), (4, 5154112), (8, 2577056), (16, 1288528), (29, 710912), (32, 644264), (58, 355456), (64, 322132), (116, 177728), (128, 161066), (232, 88864), (256, 80533), (464, 44432), (928, 22216), (1856, 11108), (2777, 7424), (3712, 5554)]