20217525075

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{929}}^1\times {\mathrm{977}}^1$

素因数の和:1939

約数の個数: 120

約数和(自身を含む): 40940214480

約数和(自身を除く): 20722689405

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 275, 297, 405, 495, 675, 825, 891, 929, 977, 1485, 2025, 2475, 2787, 2931, 4455, 4645, 4885, 7425, 8361, 8793, 10219, 10747, 13935, 14655, 22275, 23225, 24425, 25083, 26379, 30657, 32241, 41805, 43965, 51095, 53735, 69675, 73275, 75249, 79137, 91971, 96723, 125415, 131895, 153285, 161205, 209025, 219825, 255475, 268675, 275913, 290169, 376245, 395685, 459855, 483615, 627075, 659475, 766425, 806025, 827739, 870507, 907633, 1379565, 1450845, 1881225, 1978425, 2299275, 2418075, 2722899, 4138695, 4352535, 4538165, 6897825, 7254225, 8168697, 9983963, 13614495, 20693475, 21762675, 22690825, 24506091, 29951889, 40843485, 49919815, 68072475, 73518273, 89855667, 122530455, 149759445, 204217425, 249599075, 269567001, 367591365, 449278335, 612652275, 748797225, 808701003, 1347835005, 1837956825, 2246391675, 4043505015, 6739175025, 20217525075]

約数ペア:

[(1, 20217525075), (3, 6739175025), (5, 4043505015), (9, 2246391675), (11, 1837956825), (15, 1347835005), (25, 808701003), (27, 748797225), (33, 612652275), (45, 449278335), (55, 367591365), (75, 269567001), (81, 249599075), (99, 204217425), (135, 149759445), (165, 122530455), (225, 89855667), (275, 73518273), (297, 68072475), (405, 49919815), (495, 40843485), (675, 29951889), (825, 24506091), (891, 22690825), (929, 21762675), (977, 20693475), (1485, 13614495), (2025, 9983963), (2475, 8168697), (2787, 7254225), (2931, 6897825), (4455, 4538165), (4645, 4352535), (4885, 4138695), (7425, 2722899), (8361, 2418075), (8793, 2299275), (10219, 1978425), (10747, 1881225), (13935, 1450845), (14655, 1379565), (22275, 907633), (23225, 870507), (24425, 827739), (25083, 806025), (26379, 766425), (30657, 659475), (32241, 627075), (41805, 483615), (43965, 459855), (51095, 395685), (53735, 376245), (69675, 290169), (73275, 275913), (75249, 268675), (79137, 255475), (91971, 219825), (96723, 209025), (125415, 161205), (131895, 153285)]