20804977920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174773}}^1$

素因数の和:174828

約数の個数: 144

約数和(自身を含む): 68589706752

約数和(自身を除く): 47784728832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 19840, 23808, 29760, 39680, 59520, 119040, 174773, 349546, 524319, 699092, 873865, 1048638, 1398184, 1747730, 2097276, 2621595, 2796368, 3495460, 4194552, 5243190, 5417963, 5592736, 6990920, 8389104, 10486380, 10835926, 11185472, 13981840, 16253889, 16778208, 20972760, 21671852, 22370944, 27089815, 27963680, 32507778, 33556416, 41945520, 43343704, 44741888, 54179630, 55927360, 65015556, 67112832, 81269445, 83891040, 86687408, 108359260, 111854720, 130031112, 134225664, 162538890, 167782080, 173374816, 216718520, 223709440, 260062224, 325077780, 335564160, 346749632, 433437040, 520124448, 650155560, 671128320, 693499264, 866874080, 1040248896, 1300311120, 1386998528, 1733748160, 2080497792, 2600622240, 3467496320, 4160995584, 5201244480, 6934992640, 10402488960, 20804977920]

約数ペア:

[(1, 20804977920), (2, 10402488960), (3, 6934992640), (4, 5201244480), (5, 4160995584), (6, 3467496320), (8, 2600622240), (10, 2080497792), (12, 1733748160), (15, 1386998528), (16, 1300311120), (20, 1040248896), (24, 866874080), (30, 693499264), (31, 671128320), (32, 650155560), (40, 520124448), (48, 433437040), (60, 346749632), (62, 335564160), (64, 325077780), (80, 260062224), (93, 223709440), (96, 216718520), (120, 173374816), (124, 167782080), (128, 162538890), (155, 134225664), (160, 130031112), (186, 111854720), (192, 108359260), (240, 86687408), (248, 83891040), (256, 81269445), (310, 67112832), (320, 65015556), (372, 55927360), (384, 54179630), (465, 44741888), (480, 43343704), (496, 41945520), (620, 33556416), (640, 32507778), (744, 27963680), (768, 27089815), (930, 22370944), (960, 21671852), (992, 20972760), (1240, 16778208), (1280, 16253889), (1488, 13981840), (1860, 11185472), (1920, 10835926), (1984, 10486380), (2480, 8389104), (2976, 6990920), (3720, 5592736), (3840, 5417963), (3968, 5243190), (4960, 4194552), (5952, 3495460), (7440, 2796368), (7936, 2621595), (9920, 2097276), (11904, 1747730), (14880, 1398184), (19840, 1048638), (23808, 873865), (29760, 699092), (39680, 524319), (59520, 349546), (119040, 174773)]