20778896388089

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1\times {\mathrm{2003}}^1$

素因数の和:3075

約数の個数: 96

約数和(自身を含む): 25964941879296

約数和(自身を除く): 5186045491207

約数列:

[1, 7, 23, 41, 49, 161, 287, 347, 647, 943, 1127, 2003, 2009, 2429, 4529, 6601, 7981, 14021, 14227, 14881, 17003, 26527, 31703, 46069, 46207, 55867, 82123, 98147, 99589, 104167, 185689, 224509, 322483, 327221, 391069, 574861, 610121, 695041, 697123, 729169, 1295941, 1299823, 1571563, 1888829, 2257381, 2290547, 4024027, 4270847, 4865287, 5163707, 9071587, 9204869, 11000941, 13221803, 15985943, 16033829, 28496681, 29806643, 29895929, 34057009, 36145949, 53133581, 63501109, 64434083, 92552621, 111901601, 199476767, 208646501, 211711987, 253021643, 371935067, 449691527, 451038581, 655423663, 783311207, 1222072363, 1396337369, 1460525507, 1481983909, 2603545469, 3147840689, 4587965641, 8554506541, 10342905121, 10373887363, 18437352607, 22034884823, 32115759487, 59881545787, 72400335847, 129061468249, 424059109961, 506802350929, 903430277743, 2968413769727, 20778896388089]

約数ペア:

[(1, 20778896388089), (7, 2968413769727), (23, 903430277743), (41, 506802350929), (49, 424059109961), (161, 129061468249), (287, 72400335847), (347, 59881545787), (647, 32115759487), (943, 22034884823), (1127, 18437352607), (2003, 10373887363), (2009, 10342905121), (2429, 8554506541), (4529, 4587965641), (6601, 3147840689), (7981, 2603545469), (14021, 1481983909), (14227, 1460525507), (14881, 1396337369), (17003, 1222072363), (26527, 783311207), (31703, 655423663), (46069, 451038581), (46207, 449691527), (55867, 371935067), (82123, 253021643), (98147, 211711987), (99589, 208646501), (104167, 199476767), (185689, 111901601), (224509, 92552621), (322483, 64434083), (327221, 63501109), (391069, 53133581), (574861, 36145949), (610121, 34057009), (695041, 29895929), (697123, 29806643), (729169, 28496681), (1295941, 16033829), (1299823, 15985943), (1571563, 13221803), (1888829, 11000941), (2257381, 9204869), (2290547, 9071587), (4024027, 5163707), (4270847, 4865287)]