20638367085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{8527}}^1$

素因数の和:8675

約数の個数: 96

約数和(自身を含む): 39898759680

約数和(自身を除く): 19260392595

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 89, 105, 111, 147, 185, 245, 259, 267, 445, 555, 623, 735, 777, 1295, 1335, 1813, 1869, 3115, 3293, 3885, 4361, 5439, 8527, 9065, 9345, 9879, 13083, 16465, 21805, 23051, 25581, 27195, 42635, 49395, 59689, 65415, 69153, 115255, 127905, 161357, 179067, 298445, 315499, 345765, 417823, 484071, 758903, 806785, 895335, 946497, 1253469, 1577495, 2089115, 2208493, 2276709, 2420355, 3794515, 4732485, 5312321, 6267345, 6625479, 11042465, 11383545, 15459451, 15936963, 26561605, 28079411, 33127395, 37186247, 46378353, 77297255, 79684815, 84238233, 111558741, 140397055, 185931235, 196555877, 231891765, 421191165, 557793705, 589667631, 982779385, 1375891139, 2948338155, 4127673417, 6879455695, 20638367085]

約数ペア:

[(1, 20638367085), (3, 6879455695), (5, 4127673417), (7, 2948338155), (15, 1375891139), (21, 982779385), (35, 589667631), (37, 557793705), (49, 421191165), (89, 231891765), (105, 196555877), (111, 185931235), (147, 140397055), (185, 111558741), (245, 84238233), (259, 79684815), (267, 77297255), (445, 46378353), (555, 37186247), (623, 33127395), (735, 28079411), (777, 26561605), (1295, 15936963), (1335, 15459451), (1813, 11383545), (1869, 11042465), (3115, 6625479), (3293, 6267345), (3885, 5312321), (4361, 4732485), (5439, 3794515), (8527, 2420355), (9065, 2276709), (9345, 2208493), (9879, 2089115), (13083, 1577495), (16465, 1253469), (21805, 946497), (23051, 895335), (25581, 806785), (27195, 758903), (42635, 484071), (49395, 417823), (59689, 345765), (65415, 315499), (69153, 298445), (115255, 179067), (127905, 161357)]