20573696

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 80

約数和(自身を含む): 48465648

約数和(自身を除く): 27891952

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 281, 286, 352, 416, 512, 562, 572, 704, 832, 1124, 1144, 1408, 1664, 2248, 2288, 2816, 3091, 3328, 3653, 4496, 4576, 5632, 6182, 6656, 7306, 8992, 9152, 12364, 14612, 17984, 18304, 24728, 29224, 35968, 36608, 40183, 49456, 58448, 71936, 73216, 80366, 98912, 116896, 143872, 160732, 197824, 233792, 321464, 395648, 467584, 642928, 791296, 935168, 1285856, 1582592, 1870336, 2571712, 5143424, 10286848, 20573696]

約数ペア:

[(1, 20573696), (2, 10286848), (4, 5143424), (8, 2571712), (11, 1870336), (13, 1582592), (16, 1285856), (22, 935168), (26, 791296), (32, 642928), (44, 467584), (52, 395648), (64, 321464), (88, 233792), (104, 197824), (128, 160732), (143, 143872), (176, 116896), (208, 98912), (256, 80366), (281, 73216), (286, 71936), (352, 58448), (416, 49456), (512, 40183), (562, 36608), (572, 35968), (704, 29224), (832, 24728), (1124, 18304), (1144, 17984), (1408, 14612), (1664, 12364), (2248, 9152), (2288, 8992), (2816, 7306), (3091, 6656), (3328, 6182), (3653, 5632), (4496, 4576)]