20217425280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809993}}^1$

素因数の和:810028

約数の個数: 128

約数和(自身を含む): 69400285920

約数和(自身を除く): 49182860640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 809993, 1619986, 2429979, 3239972, 4049965, 4859958, 6479944, 8099930, 9719916, 10529909, 12149895, 12959888, 16199860, 19439832, 21059818, 24299790, 25919776, 31589727, 32399720, 38879664, 42119636, 48599580, 51839552, 52649545, 63179454, 64799440, 77759328, 84239272, 97199160, 103679104, 105299090, 126358908, 129598880, 155518656, 157948635, 168478544, 194398320, 210598180, 252717816, 259197760, 311037312, 315897270, 336957088, 388796640, 421196360, 505435632, 518395520, 631794540, 673914176, 777593280, 842392720, 1010871264, 1263589080, 1347828352, 1555186560, 1684785440, 2021742528, 2527178160, 3369570880, 4043485056, 5054356320, 6739141760, 10108712640, 20217425280]

約数ペア:

[(1, 20217425280), (2, 10108712640), (3, 6739141760), (4, 5054356320), (5, 4043485056), (6, 3369570880), (8, 2527178160), (10, 2021742528), (12, 1684785440), (13, 1555186560), (15, 1347828352), (16, 1263589080), (20, 1010871264), (24, 842392720), (26, 777593280), (30, 673914176), (32, 631794540), (39, 518395520), (40, 505435632), (48, 421196360), (52, 388796640), (60, 336957088), (64, 315897270), (65, 311037312), (78, 259197760), (80, 252717816), (96, 210598180), (104, 194398320), (120, 168478544), (128, 157948635), (130, 155518656), (156, 129598880), (160, 126358908), (192, 105299090), (195, 103679104), (208, 97199160), (240, 84239272), (260, 77759328), (312, 64799440), (320, 63179454), (384, 52649545), (390, 51839552), (416, 48599580), (480, 42119636), (520, 38879664), (624, 32399720), (640, 31589727), (780, 25919776), (832, 24299790), (960, 21059818), (1040, 19439832), (1248, 16199860), (1560, 12959888), (1664, 12149895), (1920, 10529909), (2080, 9719916), (2496, 8099930), (3120, 6479944), (4160, 4859958), (4992, 4049965), (6240, 3239972), (8320, 2429979), (12480, 1619986), (24960, 809993)]