20179973072

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{1597}}^1$

素因数の和:2308

約数の個数: 80

約数和(自身を含む): 44988430080

約数和(自身を除く): 24808457008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 439, 514, 878, 1028, 1597, 1756, 1799, 2056, 3073, 3194, 3512, 3598, 4112, 6146, 6388, 7024, 7196, 11179, 12292, 12776, 14392, 22358, 24584, 25552, 28784, 44716, 49168, 89432, 112823, 178864, 225646, 410429, 451292, 701083, 789761, 820858, 902584, 1402166, 1579522, 1641716, 1805168, 2804332, 2873003, 3159044, 3283432, 4907581, 5608664, 5746006, 6318088, 6566864, 9815162, 11217328, 11492012, 12636176, 19630324, 22984024, 39260648, 45968048, 78521296, 180178331, 360356662, 720713324, 1261248317, 1441426648, 2522496634, 2882853296, 5044993268, 10089986536, 20179973072]

約数ペア:

[(1, 20179973072), (2, 10089986536), (4, 5044993268), (7, 2882853296), (8, 2522496634), (14, 1441426648), (16, 1261248317), (28, 720713324), (56, 360356662), (112, 180178331), (257, 78521296), (439, 45968048), (514, 39260648), (878, 22984024), (1028, 19630324), (1597, 12636176), (1756, 11492012), (1799, 11217328), (2056, 9815162), (3073, 6566864), (3194, 6318088), (3512, 5746006), (3598, 5608664), (4112, 4907581), (6146, 3283432), (6388, 3159044), (7024, 2873003), (7196, 2804332), (11179, 1805168), (12292, 1641716), (12776, 1579522), (14392, 1402166), (22358, 902584), (24584, 820858), (25552, 789761), (28784, 701083), (44716, 451292), (49168, 410429), (89432, 225646), (112823, 178864)]