20076840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 77276160

約数和(自身を除く): 57199320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 257, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 514, 558, 620, 630, 651, 744, 771, 840, 868, 930, 1028, 1085, 1116, 1240, 1260, 1285, 1302, 1395, 1542, 1736, 1799, 1860, 1953, 2056, 2170, 2232, 2313, 2520, 2570, 2604, 2790, 3084, 3255, 3598, 3720, 3855, 3906, 4340, 4626, 5140, 5208, 5397, 5580, 6168, 6510, 7196, 7710, 7812, 7967, 8680, 8995, 9252, 9765, 10280, 10794, 11160, 11565, 13020, 14392, 15420, 15624, 15934, 16191, 17990, 18504, 19530, 21588, 23130, 23901, 26040, 26985, 30840, 31868, 32382, 35980, 39060, 39835, 43176, 46260, 47802, 53970, 55769, 63736, 64764, 71703, 71960, 78120, 79670, 80955, 92520, 95604, 107940, 111538, 119505, 129528, 143406, 159340, 161910, 167307, 191208, 215880, 223076, 239010, 278845, 286812, 318680, 323820, 334614, 358515, 446152, 478020, 501921, 557690, 573624, 647640, 669228, 717030, 836535, 956040, 1003842, 1115380, 1338456, 1434060, 1673070, 2007684, 2230760, 2509605, 2868120, 3346140, 4015368, 5019210, 6692280, 10038420, 20076840]

約数ペア:

[(1, 20076840), (2, 10038420), (3, 6692280), (4, 5019210), (5, 4015368), (6, 3346140), (7, 2868120), (8, 2509605), (9, 2230760), (10, 2007684), (12, 1673070), (14, 1434060), (15, 1338456), (18, 1115380), (20, 1003842), (21, 956040), (24, 836535), (28, 717030), (30, 669228), (31, 647640), (35, 573624), (36, 557690), (40, 501921), (42, 478020), (45, 446152), (56, 358515), (60, 334614), (62, 323820), (63, 318680), (70, 286812), (72, 278845), (84, 239010), (90, 223076), (93, 215880), (105, 191208), (120, 167307), (124, 161910), (126, 159340), (140, 143406), (155, 129528), (168, 119505), (180, 111538), (186, 107940), (210, 95604), (217, 92520), (248, 80955), (252, 79670), (257, 78120), (279, 71960), (280, 71703), (310, 64764), (315, 63736), (360, 55769), (372, 53970), (420, 47802), (434, 46260), (465, 43176), (504, 39835), (514, 39060), (558, 35980), (620, 32382), (630, 31868), (651, 30840), (744, 26985), (771, 26040), (840, 23901), (868, 23130), (930, 21588), (1028, 19530), (1085, 18504), (1116, 17990), (1240, 16191), (1260, 15934), (1285, 15624), (1302, 15420), (1395, 14392), (1542, 13020), (1736, 11565), (1799, 11160), (1860, 10794), (1953, 10280), (2056, 9765), (2170, 9252), (2232, 8995), (2313, 8680), (2520, 7967), (2570, 7812), (2604, 7710), (2790, 7196), (3084, 6510), (3255, 6168), (3598, 5580), (3720, 5397), (3855, 5208), (3906, 5140), (4340, 4626)]