20216508543

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{1669}}^1$

素因数の和:1938

約数の個数: 108

約数和(自身を含む): 37525040280

約数和(自身を除く): 17308531737

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 227, 231, 363, 441, 539, 681, 693, 847, 1089, 1589, 1617, 1669, 2043, 2497, 2541, 4767, 4851, 5007, 5929, 7491, 7623, 11123, 11683, 14301, 15021, 17479, 17787, 18359, 22473, 27467, 33369, 35049, 52437, 53361, 55077, 81781, 82401, 100107, 105147, 122353, 128513, 157311, 165231, 192269, 201949, 245343, 247203, 367059, 378863, 385539, 576807, 605847, 736029, 899591, 1101177, 1136589, 1156617, 1345883, 1413643, 1730421, 1817541, 2652041, 2698773, 3409767, 4037649, 4167493, 4240929, 7956123, 8096319, 9895501, 12112947, 12502479, 12722787, 18564287, 23868369, 29172451, 29686503, 37507437, 45842423, 55692861, 87517353, 89059509, 137527269, 167078583, 204207157, 262552059, 320896961, 412581807, 612621471, 962690883, 1837864413, 2246278727, 2888072649, 6738836181, 20216508543]

約数ペア:

[(1, 20216508543), (3, 6738836181), (7, 2888072649), (9, 2246278727), (11, 1837864413), (21, 962690883), (33, 612621471), (49, 412581807), (63, 320896961), (77, 262552059), (99, 204207157), (121, 167078583), (147, 137527269), (227, 89059509), (231, 87517353), (363, 55692861), (441, 45842423), (539, 37507437), (681, 29686503), (693, 29172451), (847, 23868369), (1089, 18564287), (1589, 12722787), (1617, 12502479), (1669, 12112947), (2043, 9895501), (2497, 8096319), (2541, 7956123), (4767, 4240929), (4851, 4167493), (5007, 4037649), (5929, 3409767), (7491, 2698773), (7623, 2652041), (11123, 1817541), (11683, 1730421), (14301, 1413643), (15021, 1345883), (17479, 1156617), (17787, 1136589), (18359, 1101177), (22473, 899591), (27467, 736029), (33369, 605847), (35049, 576807), (52437, 385539), (53361, 378863), (55077, 367059), (81781, 247203), (82401, 245343), (100107, 201949), (105147, 192269), (122353, 165231), (128513, 157311)]