20394700560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{726307}}^1$

素因数の和:726342

約数の個数: 160

約数和(自身を含む): 75652241280

約数和(自身を除く): 55257540720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 726307, 1452614, 2178921, 2905228, 3631535, 4357842, 5810456, 6536763, 7263070, 8715684, 9441991, 10894605, 11620912, 13073526, 14526140, 17431368, 18883982, 19610289, 21789210, 26147052, 28325973, 29052280, 32683815, 34862736, 37767964, 39220578, 43578420, 47209955, 52294104, 56651946, 58104560, 65367630, 75535928, 78441156, 84977919, 87156840, 94419910, 98051445, 104588208, 113303892, 130735260, 141629865, 151071856, 156882312, 169955838, 174313680, 188839820, 196102890, 226607784, 254933757, 261470520, 283259730, 313764624, 339911676, 377679640, 392205780, 424889595, 453215568, 509867514, 522941040, 566519460, 679823352, 755359280, 784411560, 849779190, 1019735028, 1133038920, 1274668785, 1359646704, 1568823120, 1699558380, 2039470056, 2266077840, 2549337570, 3399116760, 4078940112, 5098675140, 6798233520, 10197350280, 20394700560]

約数ペア:

[(1, 20394700560), (2, 10197350280), (3, 6798233520), (4, 5098675140), (5, 4078940112), (6, 3399116760), (8, 2549337570), (9, 2266077840), (10, 2039470056), (12, 1699558380), (13, 1568823120), (15, 1359646704), (16, 1274668785), (18, 1133038920), (20, 1019735028), (24, 849779190), (26, 784411560), (27, 755359280), (30, 679823352), (36, 566519460), (39, 522941040), (40, 509867514), (45, 453215568), (48, 424889595), (52, 392205780), (54, 377679640), (60, 339911676), (65, 313764624), (72, 283259730), (78, 261470520), (80, 254933757), (90, 226607784), (104, 196102890), (108, 188839820), (117, 174313680), (120, 169955838), (130, 156882312), (135, 151071856), (144, 141629865), (156, 130735260), (180, 113303892), (195, 104588208), (208, 98051445), (216, 94419910), (234, 87156840), (240, 84977919), (260, 78441156), (270, 75535928), (312, 65367630), (351, 58104560), (360, 56651946), (390, 52294104), (432, 47209955), (468, 43578420), (520, 39220578), (540, 37767964), (585, 34862736), (624, 32683815), (702, 29052280), (720, 28325973), (780, 26147052), (936, 21789210), (1040, 19610289), (1080, 18883982), (1170, 17431368), (1404, 14526140), (1560, 13073526), (1755, 11620912), (1872, 10894605), (2160, 9441991), (2340, 8715684), (2808, 7263070), (3120, 6536763), (3510, 5810456), (4680, 4357842), (5616, 3631535), (7020, 2905228), (9360, 2178921), (14040, 1452614), (28080, 726307)]