20619360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 240

約数和(自身を含む): 76473936

約数和(自身を除く): 55854576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 43, 45, 48, 54, 60, 72, 74, 80, 81, 86, 90, 96, 108, 111, 120, 129, 135, 144, 148, 160, 162, 172, 180, 185, 215, 216, 222, 240, 258, 270, 288, 296, 324, 333, 344, 360, 370, 387, 405, 430, 432, 444, 480, 516, 540, 555, 592, 645, 648, 666, 688, 720, 740, 774, 810, 860, 864, 888, 999, 1032, 1080, 1110, 1161, 1184, 1290, 1296, 1332, 1376, 1440, 1480, 1548, 1591, 1620, 1665, 1720, 1776, 1935, 1998, 2064, 2160, 2220, 2322, 2580, 2592, 2664, 2960, 2997, 3096, 3182, 3240, 3330, 3440, 3483, 3552, 3870, 3996, 4128, 4320, 4440, 4644, 4773, 4995, 5160, 5328, 5805, 5920, 5994, 6192, 6364, 6480, 6660, 6880, 6966, 7740, 7955, 7992, 8880, 9288, 9546, 9990, 10320, 10656, 11610, 11988, 12384, 12728, 12960, 13320, 13932, 14319, 14985, 15480, 15910, 15984, 17415, 17760, 18576, 19092, 19980, 20640, 23220, 23865, 23976, 25456, 26640, 27864, 28638, 29970, 30960, 31820, 31968, 34830, 37152, 38184, 39960, 42957, 46440, 47730, 47952, 50912, 53280, 55728, 57276, 59940, 61920, 63640, 69660, 71595, 76368, 79920, 85914, 92880, 95460, 95904, 111456, 114552, 119880, 127280, 128871, 139320, 143190, 152736, 159840, 171828, 185760, 190920, 214785, 229104, 239760, 254560, 257742, 278640, 286380, 343656, 381840, 429570, 458208, 479520, 515484, 557280, 572760, 644355, 687312, 763680, 859140, 1030968, 1145520, 1288710, 1374624, 1718280, 2061936, 2291040, 2577420, 3436560, 4123872, 5154840, 6873120, 10309680, 20619360]

約数ペア:

[(1, 20619360), (2, 10309680), (3, 6873120), (4, 5154840), (5, 4123872), (6, 3436560), (8, 2577420), (9, 2291040), (10, 2061936), (12, 1718280), (15, 1374624), (16, 1288710), (18, 1145520), (20, 1030968), (24, 859140), (27, 763680), (30, 687312), (32, 644355), (36, 572760), (37, 557280), (40, 515484), (43, 479520), (45, 458208), (48, 429570), (54, 381840), (60, 343656), (72, 286380), (74, 278640), (80, 257742), (81, 254560), (86, 239760), (90, 229104), (96, 214785), (108, 190920), (111, 185760), (120, 171828), (129, 159840), (135, 152736), (144, 143190), (148, 139320), (160, 128871), (162, 127280), (172, 119880), (180, 114552), (185, 111456), (215, 95904), (216, 95460), (222, 92880), (240, 85914), (258, 79920), (270, 76368), (288, 71595), (296, 69660), (324, 63640), (333, 61920), (344, 59940), (360, 57276), (370, 55728), (387, 53280), (405, 50912), (430, 47952), (432, 47730), (444, 46440), (480, 42957), (516, 39960), (540, 38184), (555, 37152), (592, 34830), (645, 31968), (648, 31820), (666, 30960), (688, 29970), (720, 28638), (740, 27864), (774, 26640), (810, 25456), (860, 23976), (864, 23865), (888, 23220), (999, 20640), (1032, 19980), (1080, 19092), (1110, 18576), (1161, 17760), (1184, 17415), (1290, 15984), (1296, 15910), (1332, 15480), (1376, 14985), (1440, 14319), (1480, 13932), (1548, 13320), (1591, 12960), (1620, 12728), (1665, 12384), (1720, 11988), (1776, 11610), (1935, 10656), (1998, 10320), (2064, 9990), (2160, 9546), (2220, 9288), (2322, 8880), (2580, 7992), (2592, 7955), (2664, 7740), (2960, 6966), (2997, 6880), (3096, 6660), (3182, 6480), (3240, 6364), (3330, 6192), (3440, 5994), (3483, 5920), (3552, 5805), (3870, 5328), (3996, 5160), (4128, 4995), (4320, 4773), (4440, 4644)]