20695950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 62848656

約数和(自身を除く): 42152706

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 37, 45, 50, 55, 66, 74, 75, 90, 99, 110, 111, 113, 150, 165, 185, 198, 222, 225, 226, 275, 330, 333, 339, 370, 407, 450, 495, 550, 555, 565, 666, 678, 814, 825, 925, 990, 1017, 1110, 1130, 1221, 1243, 1650, 1665, 1695, 1850, 2034, 2035, 2442, 2475, 2486, 2775, 2825, 3330, 3390, 3663, 3729, 4070, 4181, 4950, 5085, 5550, 5650, 6105, 6215, 7326, 7458, 8325, 8362, 8475, 10170, 10175, 11187, 12210, 12430, 12543, 16650, 16950, 18315, 18645, 20350, 20905, 22374, 25086, 25425, 30525, 31075, 36630, 37290, 37629, 41810, 45991, 50850, 55935, 61050, 62150, 62715, 75258, 91575, 91982, 93225, 104525, 111870, 125430, 137973, 183150, 186450, 188145, 209050, 229955, 275946, 279675, 313575, 376290, 413919, 459910, 559350, 627150, 689865, 827838, 940725, 1149775, 1379730, 1881450, 2069595, 2299550, 3449325, 4139190, 6898650, 10347975, 20695950]

約数ペア:

[(1, 20695950), (2, 10347975), (3, 6898650), (5, 4139190), (6, 3449325), (9, 2299550), (10, 2069595), (11, 1881450), (15, 1379730), (18, 1149775), (22, 940725), (25, 827838), (30, 689865), (33, 627150), (37, 559350), (45, 459910), (50, 413919), (55, 376290), (66, 313575), (74, 279675), (75, 275946), (90, 229955), (99, 209050), (110, 188145), (111, 186450), (113, 183150), (150, 137973), (165, 125430), (185, 111870), (198, 104525), (222, 93225), (225, 91982), (226, 91575), (275, 75258), (330, 62715), (333, 62150), (339, 61050), (370, 55935), (407, 50850), (450, 45991), (495, 41810), (550, 37629), (555, 37290), (565, 36630), (666, 31075), (678, 30525), (814, 25425), (825, 25086), (925, 22374), (990, 20905), (1017, 20350), (1110, 18645), (1130, 18315), (1221, 16950), (1243, 16650), (1650, 12543), (1665, 12430), (1695, 12210), (1850, 11187), (2034, 10175), (2035, 10170), (2442, 8475), (2475, 8362), (2486, 8325), (2775, 7458), (2825, 7326), (3330, 6215), (3390, 6105), (3663, 5650), (3729, 5550), (4070, 5085), (4181, 4950)]