20147072

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 44982000

約数和(自身を除く): 24834928

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 164, 176, 328, 349, 352, 451, 656, 698, 704, 902, 1312, 1396, 1408, 1804, 2624, 2792, 3608, 3839, 5248, 5584, 7216, 7678, 11168, 14309, 14432, 15356, 22336, 28618, 28864, 30712, 44672, 57236, 57728, 61424, 114472, 122848, 157399, 228944, 245696, 314798, 457888, 491392, 629596, 915776, 1259192, 1831552, 2518384, 5036768, 10073536, 20147072]

約数ペア:

[(1, 20147072), (2, 10073536), (4, 5036768), (8, 2518384), (11, 1831552), (16, 1259192), (22, 915776), (32, 629596), (41, 491392), (44, 457888), (64, 314798), (82, 245696), (88, 228944), (128, 157399), (164, 122848), (176, 114472), (328, 61424), (349, 57728), (352, 57236), (451, 44672), (656, 30712), (698, 28864), (704, 28618), (902, 22336), (1312, 15356), (1396, 14432), (1408, 14309), (1804, 11168), (2624, 7678), (2792, 7216), (3608, 5584), (3839, 5248)]