20458333440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57287}}^1$

素因数の和:57345

約数の個数: 216

約数和(自身を含む): 73068323328

約数和(自身を除く): 52609989888

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, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9920, 11160, 11520, 11904, 14880, 17856, 19840, 22320, 23808, 29760, 35712, 39680, 44640, 57287, 59520, 71424, 89280, 114574, 119040, 171861, 178560, 229148, 286435, 343722, 357120, 458296, 515583, 572870, 687444, 859305, 916592, 1031166, 1145740, 1374888, 1718610, 1775897, 1833184, 2062332, 2291480, 2577915, 2749776, 3437220, 3551794, 3666368, 4124664, 4582960, 5155830, 5327691, 5499552, 6874440, 7103588, 7332736, 8249328, 8879485, 9165920, 10311660, 10655382, 10999104, 13748880, 14207176, 14665472, 15983073, 16498656, 17758970, 18331840, 20623320, 21310764, 21998208, 26638455, 27497760, 28414352, 31966146, 32997312, 35517940, 36663680, 41246640, 42621528, 43996416, 53276910, 54995520, 56828704, 63932292, 65994624, 71035880, 73327360, 79915365, 82493280, 85243056, 106553820, 109991040, 113657408, 127864584, 131989248, 142071760, 159830730, 164986560, 170486112, 213107640, 219982080, 227314816, 255729168, 284143520, 319661460, 329973120, 340972224, 426215280, 454629632, 511458336, 568287040, 639322920, 659946240, 681944448, 852430560, 1022916672, 1136574080, 1278645840, 1363888896, 1704861120, 2045833344, 2273148160, 2557291680, 3409722240, 4091666688, 5114583360, 6819444480, 10229166720, 20458333440]

約数ペア:

[(1, 20458333440), (2, 10229166720), (3, 6819444480), (4, 5114583360), (5, 4091666688), (6, 3409722240), (8, 2557291680), (9, 2273148160), (10, 2045833344), (12, 1704861120), (15, 1363888896), (16, 1278645840), (18, 1136574080), (20, 1022916672), (24, 852430560), (30, 681944448), (31, 659946240), (32, 639322920), (36, 568287040), (40, 511458336), (45, 454629632), (48, 426215280), (60, 340972224), (62, 329973120), (64, 319661460), (72, 284143520), (80, 255729168), (90, 227314816), (93, 219982080), (96, 213107640), (120, 170486112), (124, 164986560), (128, 159830730), (144, 142071760), (155, 131989248), (160, 127864584), (180, 113657408), (186, 109991040), (192, 106553820), (240, 85243056), (248, 82493280), (256, 79915365), (279, 73327360), (288, 71035880), (310, 65994624), (320, 63932292), (360, 56828704), (372, 54995520), (384, 53276910), (465, 43996416), (480, 42621528), (496, 41246640), (558, 36663680), (576, 35517940), (620, 32997312), (640, 31966146), (720, 28414352), (744, 27497760), (768, 26638455), (930, 21998208), (960, 21310764), (992, 20623320), (1116, 18331840), (1152, 17758970), (1240, 16498656), (1280, 15983073), (1395, 14665472), (1440, 14207176), (1488, 13748880), (1860, 10999104), (1920, 10655382), (1984, 10311660), (2232, 9165920), (2304, 8879485), (2480, 8249328), (2790, 7332736), (2880, 7103588), (2976, 6874440), (3720, 5499552), (3840, 5327691), (3968, 5155830), (4464, 4582960), (4960, 4124664), (5580, 3666368), (5760, 3551794), (5952, 3437220), (7440, 2749776), (7936, 2577915), (8928, 2291480), (9920, 2062332), (11160, 1833184), (11520, 1775897), (11904, 1718610), (14880, 1374888), (17856, 1145740), (19840, 1031166), (22320, 916592), (23808, 859305), (29760, 687444), (35712, 572870), (39680, 515583), (44640, 458296), (57287, 357120), (59520, 343722), (71424, 286435), (89280, 229148), (114574, 178560), (119040, 171861)]