20170177928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{96931}}^1$

素因数の和:97030

約数の個数: 48

約数和(自身を含む): 40914997200

約数和(自身を除く): 20744819272

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1369, 1406, 2738, 2812, 5476, 5624, 10952, 26011, 52022, 96931, 104044, 193862, 208088, 387724, 775448, 1841689, 3586447, 3683378, 7172894, 7366756, 14345788, 14733512, 28691576, 68142493, 132698539, 136284986, 265397078, 272569972, 530794156, 545139944, 1061588312, 2521272241, 5042544482, 10085088964, 20170177928]

約数ペア:

[(1, 20170177928), (2, 10085088964), (4, 5042544482), (8, 2521272241), (19, 1061588312), (37, 545139944), (38, 530794156), (74, 272569972), (76, 265397078), (148, 136284986), (152, 132698539), (296, 68142493), (703, 28691576), (1369, 14733512), (1406, 14345788), (2738, 7366756), (2812, 7172894), (5476, 3683378), (5624, 3586447), (10952, 1841689), (26011, 775448), (52022, 387724), (96931, 208088), (104044, 193862)]