20478150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 70709760

約数和(自身を除く): 50231610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 27, 30, 33, 35, 42, 45, 50, 54, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 135, 150, 154, 165, 175, 189, 197, 198, 210, 225, 231, 270, 275, 297, 315, 330, 350, 378, 385, 394, 450, 462, 495, 525, 550, 591, 594, 630, 675, 693, 770, 825, 945, 985, 990, 1050, 1155, 1182, 1350, 1379, 1386, 1485, 1575, 1650, 1773, 1890, 1925, 1970, 2079, 2167, 2310, 2475, 2758, 2955, 2970, 3150, 3465, 3546, 3850, 4137, 4158, 4334, 4725, 4925, 4950, 5319, 5775, 5910, 6501, 6895, 6930, 7425, 8274, 8865, 9450, 9850, 10395, 10638, 10835, 11550, 12411, 13002, 13790, 14775, 14850, 15169, 17325, 17730, 19503, 20685, 20790, 21670, 24822, 26595, 29550, 30338, 32505, 34475, 34650, 37233, 39006, 41370, 44325, 45507, 51975, 53190, 54175, 58509, 62055, 65010, 68950, 74466, 75845, 88650, 91014, 97515, 103425, 103950, 108350, 117018, 124110, 132975, 136521, 151690, 162525, 186165, 195030, 206850, 227535, 265950, 273042, 292545, 310275, 325050, 372330, 379225, 409563, 455070, 487575, 585090, 620550, 682605, 758450, 819126, 930825, 975150, 1137675, 1365210, 1462725, 1861650, 2047815, 2275350, 2925450, 3413025, 4095630, 6826050, 10239075, 20478150]

約数ペア:

[(1, 20478150), (2, 10239075), (3, 6826050), (5, 4095630), (6, 3413025), (7, 2925450), (9, 2275350), (10, 2047815), (11, 1861650), (14, 1462725), (15, 1365210), (18, 1137675), (21, 975150), (22, 930825), (25, 819126), (27, 758450), (30, 682605), (33, 620550), (35, 585090), (42, 487575), (45, 455070), (50, 409563), (54, 379225), (55, 372330), (63, 325050), (66, 310275), (70, 292545), (75, 273042), (77, 265950), (90, 227535), (99, 206850), (105, 195030), (110, 186165), (126, 162525), (135, 151690), (150, 136521), (154, 132975), (165, 124110), (175, 117018), (189, 108350), (197, 103950), (198, 103425), (210, 97515), (225, 91014), (231, 88650), (270, 75845), (275, 74466), (297, 68950), (315, 65010), (330, 62055), (350, 58509), (378, 54175), (385, 53190), (394, 51975), (450, 45507), (462, 44325), (495, 41370), (525, 39006), (550, 37233), (591, 34650), (594, 34475), (630, 32505), (675, 30338), (693, 29550), (770, 26595), (825, 24822), (945, 21670), (985, 20790), (990, 20685), (1050, 19503), (1155, 17730), (1182, 17325), (1350, 15169), (1379, 14850), (1386, 14775), (1485, 13790), (1575, 13002), (1650, 12411), (1773, 11550), (1890, 10835), (1925, 10638), (1970, 10395), (2079, 9850), (2167, 9450), (2310, 8865), (2475, 8274), (2758, 7425), (2955, 6930), (2970, 6895), (3150, 6501), (3465, 5910), (3546, 5775), (3850, 5319), (4137, 4950), (4158, 4925), (4334, 4725)]