20790428760

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57809}}^1$

素因数の和:57872

約数の個数: 192

約数和(自身を含む): 71966512800

約数和(自身を除く): 51176084040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 243, 270, 296, 324, 333, 360, 370, 405, 444, 486, 540, 555, 648, 666, 740, 810, 888, 972, 999, 1080, 1110, 1215, 1332, 1480, 1620, 1665, 1944, 1998, 2220, 2430, 2664, 2997, 3240, 3330, 3996, 4440, 4860, 4995, 5994, 6660, 7992, 8991, 9720, 9990, 11988, 13320, 14985, 17982, 19980, 23976, 29970, 35964, 39960, 44955, 57809, 59940, 71928, 89910, 115618, 119880, 173427, 179820, 231236, 289045, 346854, 359640, 462472, 520281, 578090, 693708, 867135, 1040562, 1156180, 1387416, 1560843, 1734270, 2081124, 2138933, 2312360, 2601405, 3121686, 3468540, 4162248, 4277866, 4682529, 5202810, 6243372, 6416799, 6937080, 7804215, 8555732, 9365058, 10405620, 10694665, 12486744, 12833598, 14047587, 15608430, 17111464, 18730116, 19250397, 20811240, 21389330, 23412645, 25667196, 28095174, 31216860, 32083995, 37460232, 38500794, 42778660, 46825290, 51334392, 56190348, 57751191, 62433720, 64167990, 70237935, 77001588, 85557320, 93650580, 96251985, 112380696, 115502382, 128335980, 140475870, 154003176, 173253573, 187301160, 192503970, 231004764, 256671960, 280951740, 288755955, 346507146, 385007940, 462009528, 519760719, 561903480, 577511910, 693014292, 770015880, 866267865, 1039521438, 1155023820, 1386028584, 1732535730, 2079042876, 2310047640, 2598803595, 3465071460, 4158085752, 5197607190, 6930142920, 10395214380, 20790428760]

約数ペア:

[(1, 20790428760), (2, 10395214380), (3, 6930142920), (4, 5197607190), (5, 4158085752), (6, 3465071460), (8, 2598803595), (9, 2310047640), (10, 2079042876), (12, 1732535730), (15, 1386028584), (18, 1155023820), (20, 1039521438), (24, 866267865), (27, 770015880), (30, 693014292), (36, 577511910), (37, 561903480), (40, 519760719), (45, 462009528), (54, 385007940), (60, 346507146), (72, 288755955), (74, 280951740), (81, 256671960), (90, 231004764), (108, 192503970), (111, 187301160), (120, 173253573), (135, 154003176), (148, 140475870), (162, 128335980), (180, 115502382), (185, 112380696), (216, 96251985), (222, 93650580), (243, 85557320), (270, 77001588), (296, 70237935), (324, 64167990), (333, 62433720), (360, 57751191), (370, 56190348), (405, 51334392), (444, 46825290), (486, 42778660), (540, 38500794), (555, 37460232), (648, 32083995), (666, 31216860), (740, 28095174), (810, 25667196), (888, 23412645), (972, 21389330), (999, 20811240), (1080, 19250397), (1110, 18730116), (1215, 17111464), (1332, 15608430), (1480, 14047587), (1620, 12833598), (1665, 12486744), (1944, 10694665), (1998, 10405620), (2220, 9365058), (2430, 8555732), (2664, 7804215), (2997, 6937080), (3240, 6416799), (3330, 6243372), (3996, 5202810), (4440, 4682529), (4860, 4277866), (4995, 4162248), (5994, 3468540), (6660, 3121686), (7992, 2601405), (8991, 2312360), (9720, 2138933), (9990, 2081124), (11988, 1734270), (13320, 1560843), (14985, 1387416), (17982, 1156180), (19980, 1040562), (23976, 867135), (29970, 693708), (35964, 578090), (39960, 520281), (44955, 462472), (57809, 359640), (59940, 346854), (71928, 289045), (89910, 231236), (115618, 179820), (119880, 173427)]