20178873790

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{3793}}^1$

素因数の和:4057

約数の個数: 64

約数和(自身を含む): 37762744320

約数和(自身を除く): 17583870530

約数列:

[1, 2, 5, 10, 59, 71, 118, 127, 142, 254, 295, 355, 590, 635, 710, 1270, 3793, 4189, 7493, 7586, 8378, 9017, 14986, 18034, 18965, 20945, 37465, 37930, 41890, 45085, 74930, 90170, 223787, 269303, 447574, 481711, 532003, 538606, 963422, 1064006, 1118935, 1346515, 2237870, 2408555, 2660015, 2693030, 4817110, 5320030, 15888877, 28420949, 31777754, 34201481, 56841898, 68402962, 79444385, 142104745, 158888770, 171007405, 284209490, 342014810, 2017887379, 4035774758, 10089436895, 20178873790]

約数ペア:

[(1, 20178873790), (2, 10089436895), (5, 4035774758), (10, 2017887379), (59, 342014810), (71, 284209490), (118, 171007405), (127, 158888770), (142, 142104745), (254, 79444385), (295, 68402962), (355, 56841898), (590, 34201481), (635, 31777754), (710, 28420949), (1270, 15888877), (3793, 5320030), (4189, 4817110), (7493, 2693030), (7586, 2660015), (8378, 2408555), (9017, 2237870), (14986, 1346515), (18034, 1118935), (18965, 1064006), (20945, 963422), (37465, 538606), (37930, 532003), (41890, 481711), (45085, 447574), (74930, 269303), (90170, 223787)]