20772488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 42824160

約数和(自身を除く): 22051672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1723, 3014, 3446, 6028, 6892, 12056, 13784, 18953, 37906, 75812, 151624, 236051, 472102, 944204, 1888408, 2596561, 5193122, 10386244, 20772488]

約数ペア:

[(1, 20772488), (2, 10386244), (4, 5193122), (8, 2596561), (11, 1888408), (22, 944204), (44, 472102), (88, 236051), (137, 151624), (274, 75812), (548, 37906), (1096, 18953), (1507, 13784), (1723, 12056), (3014, 6892), (3446, 6028)]