20123177756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1\times {\mathrm{16339}}^1$

素因数の和:17594

約数の個数: 48

約数和(自身を含む): 40122673920

約数和(自身を除く): 19999496164

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1217, 2434, 4868, 13387, 16339, 26774, 27991, 32678, 53548, 55982, 65356, 111964, 179729, 307901, 359458, 375797, 615802, 718916, 751594, 1231604, 1503188, 4133767, 8267534, 16535068, 19884563, 39769126, 79538252, 218730193, 437460386, 457344949, 874920772, 914689898, 1829379796, 5030794439, 10061588878, 20123177756]

約数ペア:

[(1, 20123177756), (2, 10061588878), (4, 5030794439), (11, 1829379796), (22, 914689898), (23, 874920772), (44, 457344949), (46, 437460386), (92, 218730193), (253, 79538252), (506, 39769126), (1012, 19884563), (1217, 16535068), (2434, 8267534), (4868, 4133767), (13387, 1503188), (16339, 1231604), (26774, 751594), (27991, 718916), (32678, 615802), (53548, 375797), (55982, 359458), (65356, 307901), (111964, 179729)]