20802240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 168

約数和(自身を含む): 74176128

約数和(自身を除く): 53373888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 233, 240, 248, 279, 288, 310, 320, 360, 372, 465, 466, 480, 496, 558, 576, 620, 699, 720, 744, 930, 932, 960, 992, 1116, 1165, 1240, 1395, 1398, 1440, 1488, 1860, 1864, 1984, 2097, 2232, 2330, 2480, 2790, 2796, 2880, 2976, 3495, 3720, 3728, 4194, 4464, 4660, 4960, 5580, 5592, 5952, 6990, 7223, 7440, 7456, 8388, 8928, 9320, 9920, 10485, 11160, 11184, 13980, 14446, 14880, 14912, 16776, 17856, 18640, 20970, 21669, 22320, 22368, 27960, 28892, 29760, 33552, 36115, 37280, 41940, 43338, 44640, 44736, 55920, 57784, 65007, 67104, 72230, 74560, 83880, 86676, 89280, 108345, 111840, 115568, 130014, 134208, 144460, 167760, 173352, 216690, 223680, 231136, 260028, 288920, 325035, 335520, 346704, 433380, 462272, 520056, 577840, 650070, 671040, 693408, 866760, 1040112, 1155680, 1300140, 1386816, 1733520, 2080224, 2311360, 2600280, 3467040, 4160448, 5200560, 6934080, 10401120, 20802240]

約数ペア:

[(1, 20802240), (2, 10401120), (3, 6934080), (4, 5200560), (5, 4160448), (6, 3467040), (8, 2600280), (9, 2311360), (10, 2080224), (12, 1733520), (15, 1386816), (16, 1300140), (18, 1155680), (20, 1040112), (24, 866760), (30, 693408), (31, 671040), (32, 650070), (36, 577840), (40, 520056), (45, 462272), (48, 433380), (60, 346704), (62, 335520), (64, 325035), (72, 288920), (80, 260028), (90, 231136), (93, 223680), (96, 216690), (120, 173352), (124, 167760), (144, 144460), (155, 134208), (160, 130014), (180, 115568), (186, 111840), (192, 108345), (233, 89280), (240, 86676), (248, 83880), (279, 74560), (288, 72230), (310, 67104), (320, 65007), (360, 57784), (372, 55920), (465, 44736), (466, 44640), (480, 43338), (496, 41940), (558, 37280), (576, 36115), (620, 33552), (699, 29760), (720, 28892), (744, 27960), (930, 22368), (932, 22320), (960, 21669), (992, 20970), (1116, 18640), (1165, 17856), (1240, 16776), (1395, 14912), (1398, 14880), (1440, 14446), (1488, 13980), (1860, 11184), (1864, 11160), (1984, 10485), (2097, 9920), (2232, 9320), (2330, 8928), (2480, 8388), (2790, 7456), (2796, 7440), (2880, 7223), (2976, 6990), (3495, 5952), (3720, 5592), (3728, 5580), (4194, 4960), (4464, 4660)]