20748224

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 56

約数和(自身を含む): 48707040

約数和(自身を除く): 27958816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1597, 1624, 1856, 3194, 3248, 6388, 6496, 11179, 12776, 12992, 22358, 25552, 44716, 46313, 51104, 89432, 92626, 102208, 178864, 185252, 324191, 357728, 370504, 648382, 715456, 741008, 1296764, 1482016, 2593528, 2964032, 5187056, 10374112, 20748224]

約数ペア:

[(1, 20748224), (2, 10374112), (4, 5187056), (7, 2964032), (8, 2593528), (14, 1482016), (16, 1296764), (28, 741008), (29, 715456), (32, 648382), (56, 370504), (58, 357728), (64, 324191), (112, 185252), (116, 178864), (203, 102208), (224, 92626), (232, 89432), (406, 51104), (448, 46313), (464, 44716), (812, 25552), (928, 22358), (1597, 12992), (1624, 12776), (1856, 11179), (3194, 6496), (3248, 6388)]