20790403893

素因数分解:

$3^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:2021

約数の個数: 120

約数和(自身を含む): 37541750400

約数和(自身を除く): 16751346507

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 59, 63, 81, 141, 147, 177, 189, 329, 413, 423, 441, 531, 567, 987, 1239, 1269, 1323, 1593, 1889, 2303, 2773, 2891, 2961, 3717, 3807, 3969, 4779, 5667, 6909, 8319, 8673, 8883, 11151, 13223, 17001, 19411, 20727, 24957, 26019, 26649, 33453, 39669, 51003, 58233, 62181, 74871, 78057, 88783, 92561, 111451, 119007, 135877, 153009, 174699, 186543, 224613, 234171, 266349, 277683, 334353, 357021, 407631, 524097, 621481, 780157, 799047, 833049, 1003059, 1071063, 1222893, 1572291, 1864443, 2340471, 2397141, 2499147, 3009177, 3668679, 4350367, 5238197, 5461099, 5593329, 7021413, 7191423, 7497441, 9027531, 11006037, 13051101, 15714591, 16383297, 16779987, 21064239, 36667379, 39153303, 47143773, 49149891, 50339961, 63192717, 110002137, 117459909, 141431319, 147449673, 256671653, 330006411, 352379727, 424293957, 442349019, 770014959, 990019233, 2310044877, 2970057699, 6930134631, 20790403893]

約数ペア:

[(1, 20790403893), (3, 6930134631), (7, 2970057699), (9, 2310044877), (21, 990019233), (27, 770014959), (47, 442349019), (49, 424293957), (59, 352379727), (63, 330006411), (81, 256671653), (141, 147449673), (147, 141431319), (177, 117459909), (189, 110002137), (329, 63192717), (413, 50339961), (423, 49149891), (441, 47143773), (531, 39153303), (567, 36667379), (987, 21064239), (1239, 16779987), (1269, 16383297), (1323, 15714591), (1593, 13051101), (1889, 11006037), (2303, 9027531), (2773, 7497441), (2891, 7191423), (2961, 7021413), (3717, 5593329), (3807, 5461099), (3969, 5238197), (4779, 4350367), (5667, 3668679), (6909, 3009177), (8319, 2499147), (8673, 2397141), (8883, 2340471), (11151, 1864443), (13223, 1572291), (17001, 1222893), (19411, 1071063), (20727, 1003059), (24957, 833049), (26019, 799047), (26649, 780157), (33453, 621481), (39669, 524097), (51003, 407631), (58233, 357021), (62181, 334353), (74871, 277683), (78057, 266349), (88783, 234171), (92561, 224613), (111451, 186543), (119007, 174699), (135877, 153009)]