20280832

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 47778192

約数和(自身を除く): 27497360

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 277, 286, 352, 416, 512, 554, 572, 704, 832, 1108, 1144, 1408, 1664, 2216, 2288, 2816, 3047, 3328, 3601, 4432, 4576, 5632, 6094, 6656, 7202, 8864, 9152, 12188, 14404, 17728, 18304, 24376, 28808, 35456, 36608, 39611, 48752, 57616, 70912, 73216, 79222, 97504, 115232, 141824, 158444, 195008, 230464, 316888, 390016, 460928, 633776, 780032, 921856, 1267552, 1560064, 1843712, 2535104, 5070208, 10140416, 20280832]

約数ペア:

[(1, 20280832), (2, 10140416), (4, 5070208), (8, 2535104), (11, 1843712), (13, 1560064), (16, 1267552), (22, 921856), (26, 780032), (32, 633776), (44, 460928), (52, 390016), (64, 316888), (88, 230464), (104, 195008), (128, 158444), (143, 141824), (176, 115232), (208, 97504), (256, 79222), (277, 73216), (286, 70912), (352, 57616), (416, 48752), (512, 39611), (554, 36608), (572, 35456), (704, 28808), (832, 24376), (1108, 18304), (1144, 17728), (1408, 14404), (1664, 12188), (2216, 9152), (2288, 8864), (2816, 7202), (3047, 6656), (3328, 6094), (3601, 5632), (4432, 4576)]