20102477556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{70201}}^1$

素因数の和:70709

約数の個数: 72

約数和(自身を含む): 54676687296

約数和(自身を除く): 34574209740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 487, 588, 974, 1461, 1948, 2922, 3409, 5844, 6818, 10227, 13636, 20454, 23863, 40908, 47726, 70201, 71589, 95452, 140402, 143178, 210603, 280804, 286356, 421206, 491407, 842412, 982814, 1474221, 1965628, 2948442, 3439849, 5896884, 6879698, 10319547, 13759396, 20639094, 34187887, 41278188, 68375774, 102563661, 136751548, 205127322, 239315209, 410254644, 478630418, 717945627, 957260836, 1435891254, 1675206463, 2871782508, 3350412926, 5025619389, 6700825852, 10051238778, 20102477556]

約数ペア:

[(1, 20102477556), (2, 10051238778), (3, 6700825852), (4, 5025619389), (6, 3350412926), (7, 2871782508), (12, 1675206463), (14, 1435891254), (21, 957260836), (28, 717945627), (42, 478630418), (49, 410254644), (84, 239315209), (98, 205127322), (147, 136751548), (196, 102563661), (294, 68375774), (487, 41278188), (588, 34187887), (974, 20639094), (1461, 13759396), (1948, 10319547), (2922, 6879698), (3409, 5896884), (5844, 3439849), (6818, 2948442), (10227, 1965628), (13636, 1474221), (20454, 982814), (23863, 842412), (40908, 491407), (47726, 421206), (70201, 286356), (71589, 280804), (95452, 210603), (140402, 143178)]