20170568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 24282232

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 97, 136, 139, 187, 194, 278, 374, 388, 556, 748, 776, 1067, 1112, 1496, 1529, 1649, 2134, 2363, 3058, 3298, 4268, 4726, 6116, 6596, 8536, 9452, 12232, 13192, 13483, 18139, 18904, 25993, 26966, 36278, 51986, 53932, 72556, 103972, 107864, 145112, 148313, 207944, 229211, 296626, 458422, 593252, 916844, 1186504, 1833688, 2521321, 5042642, 10085284, 20170568]

約数ペア:

[(1, 20170568), (2, 10085284), (4, 5042642), (8, 2521321), (11, 1833688), (17, 1186504), (22, 916844), (34, 593252), (44, 458422), (68, 296626), (88, 229211), (97, 207944), (136, 148313), (139, 145112), (187, 107864), (194, 103972), (278, 72556), (374, 53932), (388, 51986), (556, 36278), (748, 26966), (776, 25993), (1067, 18904), (1112, 18139), (1496, 13483), (1529, 13192), (1649, 12232), (2134, 9452), (2363, 8536), (3058, 6596), (3298, 6116), (4268, 4726)]