20807009520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2179}}^1\times {\mathrm{3617}}^1$

素因数の和:5823

約数の個数: 160

約数和(自身を含む): 70417278720

約数和(自身を除く): 49610269200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2179, 2640, 3617, 4358, 6537, 7234, 8716, 10851, 10895, 13074, 14468, 17432, 18085, 21702, 21790, 23969, 26148, 28936, 32685, 34864, 36170, 39787, 43404, 43580, 47938, 52296, 54255, 57872, 65370, 71907, 72340, 79574, 86808, 87160, 95876, 104592, 108510, 119361, 119845, 130740, 143814, 144680, 159148, 173616, 174320, 191752, 198935, 217020, 238722, 239690, 261480, 287628, 289360, 318296, 359535, 383504, 397870, 434040, 477444, 479380, 522960, 575256, 596805, 636592, 719070, 795740, 868080, 954888, 958760, 1150512, 1193610, 1438140, 1591480, 1909776, 1917520, 2387220, 2876280, 3182960, 4774440, 5752560, 7881443, 9548880, 15762886, 23644329, 31525772, 39407215, 47288658, 63051544, 78814430, 86695873, 94577316, 118221645, 126103088, 157628860, 173391746, 189154632, 236443290, 260087619, 315257720, 346783492, 378309264, 433479365, 472886580, 520175238, 630515440, 693566984, 866958730, 945773160, 1040350476, 1300438095, 1387133968, 1733917460, 1891546320, 2080700952, 2600876190, 3467834920, 4161401904, 5201752380, 6935669840, 10403504760, 20807009520]

約数ペア:

[(1, 20807009520), (2, 10403504760), (3, 6935669840), (4, 5201752380), (5, 4161401904), (6, 3467834920), (8, 2600876190), (10, 2080700952), (11, 1891546320), (12, 1733917460), (15, 1387133968), (16, 1300438095), (20, 1040350476), (22, 945773160), (24, 866958730), (30, 693566984), (33, 630515440), (40, 520175238), (44, 472886580), (48, 433479365), (55, 378309264), (60, 346783492), (66, 315257720), (80, 260087619), (88, 236443290), (110, 189154632), (120, 173391746), (132, 157628860), (165, 126103088), (176, 118221645), (220, 94577316), (240, 86695873), (264, 78814430), (330, 63051544), (440, 47288658), (528, 39407215), (660, 31525772), (880, 23644329), (1320, 15762886), (2179, 9548880), (2640, 7881443), (3617, 5752560), (4358, 4774440), (6537, 3182960), (7234, 2876280), (8716, 2387220), (10851, 1917520), (10895, 1909776), (13074, 1591480), (14468, 1438140), (17432, 1193610), (18085, 1150512), (21702, 958760), (21790, 954888), (23969, 868080), (26148, 795740), (28936, 719070), (32685, 636592), (34864, 596805), (36170, 575256), (39787, 522960), (43404, 479380), (43580, 477444), (47938, 434040), (52296, 397870), (54255, 383504), (57872, 359535), (65370, 318296), (71907, 289360), (72340, 287628), (79574, 261480), (86808, 239690), (87160, 238722), (95876, 217020), (104592, 198935), (108510, 191752), (119361, 174320), (119845, 173616), (130740, 159148), (143814, 144680)]