20211076875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1087

約数の個数: 160

約数和(自身を含む): 39596325120

約数和(自身を除く): 19385248245

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 59, 75, 85, 125, 165, 177, 187, 255, 275, 295, 375, 425, 561, 625, 649, 825, 885, 935, 977, 1003, 1275, 1375, 1475, 1875, 1947, 2125, 2805, 2931, 3009, 3245, 4125, 4425, 4675, 4885, 5015, 6375, 6875, 7375, 9735, 10625, 10747, 11033, 14025, 14655, 15045, 16225, 16609, 20625, 22125, 23375, 24425, 25075, 31875, 32241, 33099, 36875, 48675, 49827, 53735, 55165, 57643, 70125, 73275, 75225, 81125, 83045, 110625, 116875, 122125, 125375, 161205, 165495, 172929, 182699, 243375, 249135, 268675, 275825, 288215, 350625, 366375, 376125, 405625, 415225, 548097, 610625, 626875, 634073, 806025, 827475, 864645, 913495, 979931, 1216875, 1245675, 1343375, 1379125, 1441075, 1831875, 1880625, 1902219, 2076125, 2740485, 2939793, 3170365, 4030125, 4137375, 4323225, 4567475, 4899655, 6228375, 6716875, 6895625, 7205375, 9511095, 10380625, 10779241, 13702425, 14698965, 15851825, 20150625, 20686875, 21616125, 22837375, 24498275, 31141875, 32337723, 36026875, 47555475, 53896205, 68512125, 73494825, 79259125, 108080625, 114186875, 122491375, 161688615, 237777375, 269481025, 342560625, 367474125, 396295625, 612456875, 808443075, 1188886875, 1347405125, 1837370625, 4042215375, 6737025625, 20211076875]

約数ペア:

[(1, 20211076875), (3, 6737025625), (5, 4042215375), (11, 1837370625), (15, 1347405125), (17, 1188886875), (25, 808443075), (33, 612456875), (51, 396295625), (55, 367474125), (59, 342560625), (75, 269481025), (85, 237777375), (125, 161688615), (165, 122491375), (177, 114186875), (187, 108080625), (255, 79259125), (275, 73494825), (295, 68512125), (375, 53896205), (425, 47555475), (561, 36026875), (625, 32337723), (649, 31141875), (825, 24498275), (885, 22837375), (935, 21616125), (977, 20686875), (1003, 20150625), (1275, 15851825), (1375, 14698965), (1475, 13702425), (1875, 10779241), (1947, 10380625), (2125, 9511095), (2805, 7205375), (2931, 6895625), (3009, 6716875), (3245, 6228375), (4125, 4899655), (4425, 4567475), (4675, 4323225), (4885, 4137375), (5015, 4030125), (6375, 3170365), (6875, 2939793), (7375, 2740485), (9735, 2076125), (10625, 1902219), (10747, 1880625), (11033, 1831875), (14025, 1441075), (14655, 1379125), (15045, 1343375), (16225, 1245675), (16609, 1216875), (20625, 979931), (22125, 913495), (23375, 864645), (24425, 827475), (25075, 806025), (31875, 634073), (32241, 626875), (33099, 610625), (36875, 548097), (48675, 415225), (49827, 405625), (53735, 376125), (55165, 366375), (57643, 350625), (70125, 288215), (73275, 275825), (75225, 268675), (81125, 249135), (83045, 243375), (110625, 182699), (116875, 172929), (122125, 165495), (125375, 161205)]