20247568275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1402

約数の個数: 144

約数和(自身を含む): 38624527872

約数和(自身を除く): 18376959597

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 47, 55, 75, 111, 121, 141, 165, 185, 235, 275, 363, 407, 517, 555, 605, 705, 825, 925, 1175, 1221, 1283, 1551, 1739, 1815, 2035, 2585, 2775, 3025, 3525, 3849, 4477, 5217, 5687, 6105, 6415, 7755, 8695, 9075, 10175, 12925, 13431, 14113, 17061, 19129, 19245, 22385, 26085, 28435, 30525, 32075, 38775, 42339, 43475, 47471, 57387, 60301, 67155, 70565, 85305, 95645, 96225, 111925, 130425, 142175, 142413, 155243, 180903, 210419, 211695, 237355, 286935, 301505, 335775, 352825, 426525, 465729, 478225, 522181, 631257, 663311, 712065, 776215, 904515, 1052095, 1058475, 1186775, 1434675, 1507525, 1566543, 1989933, 2231137, 2328645, 2610905, 3156285, 3316555, 3560325, 3881075, 4522575, 5260475, 5743991, 6693411, 7296421, 7832715, 9949665, 11155685, 11643225, 13054525, 15781425, 16582775, 17231973, 21889263, 24542507, 28719955, 33467055, 36482105, 39163575, 49748325, 55778425, 73627521, 86159865, 109446315, 122712535, 143599775, 167335275, 182410525, 269967577, 368137605, 430799325, 547231575, 613562675, 809902731, 1349837885, 1840688025, 4049513655, 6749189425, 20247568275]

約数ペア:

[(1, 20247568275), (3, 6749189425), (5, 4049513655), (11, 1840688025), (15, 1349837885), (25, 809902731), (33, 613562675), (37, 547231575), (47, 430799325), (55, 368137605), (75, 269967577), (111, 182410525), (121, 167335275), (141, 143599775), (165, 122712535), (185, 109446315), (235, 86159865), (275, 73627521), (363, 55778425), (407, 49748325), (517, 39163575), (555, 36482105), (605, 33467055), (705, 28719955), (825, 24542507), (925, 21889263), (1175, 17231973), (1221, 16582775), (1283, 15781425), (1551, 13054525), (1739, 11643225), (1815, 11155685), (2035, 9949665), (2585, 7832715), (2775, 7296421), (3025, 6693411), (3525, 5743991), (3849, 5260475), (4477, 4522575), (5217, 3881075), (5687, 3560325), (6105, 3316555), (6415, 3156285), (7755, 2610905), (8695, 2328645), (9075, 2231137), (10175, 1989933), (12925, 1566543), (13431, 1507525), (14113, 1434675), (17061, 1186775), (19129, 1058475), (19245, 1052095), (22385, 904515), (26085, 776215), (28435, 712065), (30525, 663311), (32075, 631257), (38775, 522181), (42339, 478225), (43475, 465729), (47471, 426525), (57387, 352825), (60301, 335775), (67155, 301505), (70565, 286935), (85305, 237355), (95645, 211695), (96225, 210419), (111925, 180903), (130425, 155243), (142175, 142413)]