20184237780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{185551}}^1$

素因数の和:185614

約数の個数: 144

約数和(自身を含む): 67520146176

約数和(自身を除く): 47335908396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 777, 980, 1036, 1110, 1295, 1470, 1554, 1813, 2220, 2590, 2940, 3108, 3626, 3885, 5180, 5439, 7252, 7770, 9065, 10878, 15540, 18130, 21756, 27195, 36260, 54390, 108780, 185551, 371102, 556653, 742204, 927755, 1113306, 1298857, 1855510, 2226612, 2597714, 2783265, 3711020, 3896571, 5195428, 5566530, 6494285, 6865387, 7793142, 9091999, 11133060, 12988570, 13730774, 15586284, 18183998, 19482855, 20596161, 25977140, 27275997, 27461548, 34326935, 36367996, 38965710, 41192322, 45459995, 48057709, 54551994, 68653870, 77931420, 82384644, 90919990, 96115418, 102980805, 109103988, 136379985, 137307740, 144173127, 181839980, 192230836, 205961610, 240288545, 272759970, 288346254, 336403963, 411923220, 480577090, 545519940, 576692508, 672807926, 720865635, 961154180, 1009211889, 1345615852, 1441731270, 1682019815, 2018423778, 2883462540, 3364039630, 4036847556, 5046059445, 6728079260, 10092118890, 20184237780]

約数ペア:

[(1, 20184237780), (2, 10092118890), (3, 6728079260), (4, 5046059445), (5, 4036847556), (6, 3364039630), (7, 2883462540), (10, 2018423778), (12, 1682019815), (14, 1441731270), (15, 1345615852), (20, 1009211889), (21, 961154180), (28, 720865635), (30, 672807926), (35, 576692508), (37, 545519940), (42, 480577090), (49, 411923220), (60, 336403963), (70, 288346254), (74, 272759970), (84, 240288545), (98, 205961610), (105, 192230836), (111, 181839980), (140, 144173127), (147, 137307740), (148, 136379985), (185, 109103988), (196, 102980805), (210, 96115418), (222, 90919990), (245, 82384644), (259, 77931420), (294, 68653870), (370, 54551994), (420, 48057709), (444, 45459995), (490, 41192322), (518, 38965710), (555, 36367996), (588, 34326935), (735, 27461548), (740, 27275997), (777, 25977140), (980, 20596161), (1036, 19482855), (1110, 18183998), (1295, 15586284), (1470, 13730774), (1554, 12988570), (1813, 11133060), (2220, 9091999), (2590, 7793142), (2940, 6865387), (3108, 6494285), (3626, 5566530), (3885, 5195428), (5180, 3896571), (5439, 3711020), (7252, 2783265), (7770, 2597714), (9065, 2226612), (10878, 1855510), (15540, 1298857), (18130, 1113306), (21756, 927755), (27195, 742204), (36260, 556653), (54390, 371102), (108780, 185551)]