20453433

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 37632000

約数和(自身を除く): 17178567

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 139, 143, 147, 231, 273, 343, 417, 429, 539, 637, 973, 1001, 1029, 1529, 1617, 1807, 1911, 2919, 3003, 3773, 4459, 4587, 5421, 6811, 7007, 10703, 11319, 12649, 13377, 19877, 20433, 21021, 32109, 37947, 47677, 49049, 59631, 74921, 88543, 139139, 143031, 147147, 224763, 265629, 417417, 524447, 619801, 973973, 1573341, 1859403, 2921919, 6817811, 20453433]

約数ペア:

[(1, 20453433), (3, 6817811), (7, 2921919), (11, 1859403), (13, 1573341), (21, 973973), (33, 619801), (39, 524447), (49, 417417), (77, 265629), (91, 224763), (139, 147147), (143, 143031), (147, 139139), (231, 88543), (273, 74921), (343, 59631), (417, 49049), (429, 47677), (539, 37947), (637, 32109), (973, 21021), (1001, 20433), (1029, 19877), (1529, 13377), (1617, 12649), (1807, 11319), (1911, 10703), (2919, 7007), (3003, 6811), (3773, 5421), (4459, 4587)]