20163437280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{285763}}^1$

素因数の和:285798

約数の個数: 216

約数和(自身を含む): 80041924872

約数和(自身を除く): 59878487592

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 285763, 571526, 857289, 1143052, 1428815, 1714578, 2000341, 2286104, 2571867, 2857630, 3429156, 4000682, 4286445, 4572208, 5143734, 5715260, 6001023, 6858312, 8001364, 8572890, 9144416, 10001705, 10287468, 11430520, 12002046, 12859335, 13716624, 14002387, 16002728, 17145780, 18003069, 20003410, 20574936, 22861040, 24004092, 25718670, 27433248, 28004774, 30005115, 32005456, 34291560, 36006138, 40006820, 41149872, 42007161, 45722080, 48008184, 51437340, 56009548, 60010230, 64010912, 68583120, 70011935, 72012276, 80013640, 82299744, 84014322, 90015345, 96016368, 102874680, 112019096, 120020460, 126021483, 137166240, 140023870, 144024552, 160027280, 168028644, 180030690, 192032736, 205749360, 210035805, 224038192, 240040920, 252042966, 280047740, 288049104, 320054560, 336057288, 360061380, 411498720, 420071610, 448076384, 480081840, 504085932, 560095480, 576098208, 630107415, 672114576, 720122760, 840143220, 960163680, 1008171864, 1120190960, 1260214830, 1344229152, 1440245520, 1680286440, 2016343728, 2240381920, 2520429660, 2880491040, 3360572880, 4032687456, 5040859320, 6721145760, 10081718640, 20163437280]

約数ペア:

[(1, 20163437280), (2, 10081718640), (3, 6721145760), (4, 5040859320), (5, 4032687456), (6, 3360572880), (7, 2880491040), (8, 2520429660), (9, 2240381920), (10, 2016343728), (12, 1680286440), (14, 1440245520), (15, 1344229152), (16, 1260214830), (18, 1120190960), (20, 1008171864), (21, 960163680), (24, 840143220), (28, 720122760), (30, 672114576), (32, 630107415), (35, 576098208), (36, 560095480), (40, 504085932), (42, 480081840), (45, 448076384), (48, 420071610), (49, 411498720), (56, 360061380), (60, 336057288), (63, 320054560), (70, 288049104), (72, 280047740), (80, 252042966), (84, 240040920), (90, 224038192), (96, 210035805), (98, 205749360), (105, 192032736), (112, 180030690), (120, 168028644), (126, 160027280), (140, 144024552), (144, 140023870), (147, 137166240), (160, 126021483), (168, 120020460), (180, 112019096), (196, 102874680), (210, 96016368), (224, 90015345), (240, 84014322), (245, 82299744), (252, 80013640), (280, 72012276), (288, 70011935), (294, 68583120), (315, 64010912), (336, 60010230), (360, 56009548), (392, 51437340), (420, 48008184), (441, 45722080), (480, 42007161), (490, 41149872), (504, 40006820), (560, 36006138), (588, 34291560), (630, 32005456), (672, 30005115), (720, 28004774), (735, 27433248), (784, 25718670), (840, 24004092), (882, 22861040), (980, 20574936), (1008, 20003410), (1120, 18003069), (1176, 17145780), (1260, 16002728), (1440, 14002387), (1470, 13716624), (1568, 12859335), (1680, 12002046), (1764, 11430520), (1960, 10287468), (2016, 10001705), (2205, 9144416), (2352, 8572890), (2520, 8001364), (2940, 6858312), (3360, 6001023), (3528, 5715260), (3920, 5143734), (4410, 4572208), (4704, 4286445), (5040, 4000682), (5880, 3429156), (7056, 2857630), (7840, 2571867), (8820, 2286104), (10080, 2000341), (11760, 1714578), (14112, 1428815), (17640, 1143052), (23520, 857289), (35280, 571526), (70560, 285763)]