20713256135

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 30116136960

約数和(自身を除く): 9402880825

約数列:

[1, 5, 11, 13, 55, 65, 89, 121, 127, 143, 233, 445, 605, 635, 715, 979, 1157, 1165, 1397, 1573, 1651, 2563, 3029, 4895, 5785, 6985, 7865, 8255, 10769, 11303, 12727, 12815, 15145, 15367, 18161, 20737, 28193, 29591, 33319, 53845, 56515, 63635, 76835, 90805, 103685, 124333, 139997, 140965, 146939, 147955, 166595, 199771, 228107, 269581, 325501, 366509, 384683, 621665, 699985, 734695, 998855, 1140535, 1347905, 1367663, 1616329, 1627505, 1832545, 1923415, 2509177, 2633599, 2965391, 3580511, 4231513, 6838315, 8081645, 12545885, 13167995, 14826955, 17779619, 17902555, 21157565, 28969589, 32619301, 34236787, 46546643, 88898095, 144847945, 163096505, 171183935, 232733215, 318665479, 376604657, 1593327395, 1883023285, 4142651227, 20713256135]

約数ペア:

[(1, 20713256135), (5, 4142651227), (11, 1883023285), (13, 1593327395), (55, 376604657), (65, 318665479), (89, 232733215), (121, 171183935), (127, 163096505), (143, 144847945), (233, 88898095), (445, 46546643), (605, 34236787), (635, 32619301), (715, 28969589), (979, 21157565), (1157, 17902555), (1165, 17779619), (1397, 14826955), (1573, 13167995), (1651, 12545885), (2563, 8081645), (3029, 6838315), (4895, 4231513), (5785, 3580511), (6985, 2965391), (7865, 2633599), (8255, 2509177), (10769, 1923415), (11303, 1832545), (12727, 1627505), (12815, 1616329), (15145, 1367663), (15367, 1347905), (18161, 1140535), (20737, 998855), (28193, 734695), (29591, 699985), (33319, 621665), (53845, 384683), (56515, 366509), (63635, 325501), (76835, 269581), (90805, 228107), (103685, 199771), (124333, 166595), (139997, 147955), (140965, 146939)]