20851456

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1796

約数の個数: 36

約数和(自身を含む): 42531552

約数和(自身を除く): 21680096

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 1733, 3008, 3466, 6016, 6932, 12032, 13864, 27728, 55456, 81451, 110912, 162902, 221824, 325804, 443648, 651608, 1303216, 2606432, 5212864, 10425728, 20851456]

約数ペア:

[(1, 20851456), (2, 10425728), (4, 5212864), (8, 2606432), (16, 1303216), (32, 651608), (47, 443648), (64, 325804), (94, 221824), (128, 162902), (188, 110912), (256, 81451), (376, 55456), (752, 27728), (1504, 13864), (1733, 12032), (3008, 6932), (3466, 6016)]