20219355002

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{646771}}^1$

素因数の和:646827

約数の個数: 48

約数和(自身を含む): 39815284320

約数和(自身を除く): 19595929318

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 1078, 1421, 2233, 2842, 4466, 15631, 31262, 646771, 1293542, 4527397, 7114481, 9054794, 14228962, 18756359, 31691779, 37512718, 49801367, 63383558, 99602734, 131294513, 206319949, 262589026, 348609569, 412639898, 697219138, 919061591, 1444239643, 1838123182, 2888479286, 10109677501, 20219355002]

約数ペア:

[(1, 20219355002), (2, 10109677501), (7, 2888479286), (11, 1838123182), (14, 1444239643), (22, 919061591), (29, 697219138), (49, 412639898), (58, 348609569), (77, 262589026), (98, 206319949), (154, 131294513), (203, 99602734), (319, 63383558), (406, 49801367), (539, 37512718), (638, 31691779), (1078, 18756359), (1421, 14228962), (2233, 9054794), (2842, 7114481), (4466, 4527397), (15631, 1293542), (31262, 646771)]