20172908972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{25463}}^1$

素因数の和:25658

約数の個数: 48

約数和(自身を含む): 37308019392

約数和(自身を除く): 17135110420

約数列:

[1, 2, 4, 37, 53, 74, 101, 106, 148, 202, 212, 404, 1961, 3737, 3922, 5353, 7474, 7844, 10706, 14948, 21412, 25463, 50926, 101852, 198061, 396122, 792244, 942131, 1349539, 1884262, 2571763, 2699078, 3768524, 5143526, 5398156, 10287052, 49932943, 95155231, 99865886, 136303439, 190310462, 199731772, 272606878, 380620924, 545213756, 5043227243, 10086454486, 20172908972]

約数ペア:

[(1, 20172908972), (2, 10086454486), (4, 5043227243), (37, 545213756), (53, 380620924), (74, 272606878), (101, 199731772), (106, 190310462), (148, 136303439), (202, 99865886), (212, 95155231), (404, 49932943), (1961, 10287052), (3737, 5398156), (3922, 5143526), (5353, 3768524), (7474, 2699078), (7844, 2571763), (10706, 1884262), (14948, 1349539), (21412, 942131), (25463, 792244), (50926, 396122), (101852, 198061)]