20687358960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{308951}}^1$

素因数の和:309004

約数の個数: 160

約数和(自身を含む): 73555292160

約数和(自身を除く): 52867933200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 308951, 617902, 926853, 1235804, 1544755, 1853706, 2471608, 2780559, 3089510, 3707412, 4634265, 4943216, 5561118, 6179020, 7414824, 8341677, 9268530, 9577481, 11122236, 12358040, 13902795, 14829648, 16683354, 18537060, 19154962, 22244472, 24716080, 27805590, 28732443, 33366708, 37074120, 38309924, 41708385, 44488944, 47887405, 55611180, 57464886, 66733416, 74148240, 76619848, 83416770, 86197329, 95774810, 111222360, 114929772, 133466832, 143662215, 153239696, 166833540, 172394658, 191549620, 222444720, 229859544, 258591987, 287324430, 333667080, 344789316, 383099240, 430986645, 459719088, 517183974, 574648860, 667334160, 689578632, 766198480, 861973290, 1034367948, 1149297720, 1292959935, 1379157264, 1723946580, 2068735896, 2298595440, 2585919870, 3447893160, 4137471792, 5171839740, 6895786320, 10343679480, 20687358960]

約数ペア:

[(1, 20687358960), (2, 10343679480), (3, 6895786320), (4, 5171839740), (5, 4137471792), (6, 3447893160), (8, 2585919870), (9, 2298595440), (10, 2068735896), (12, 1723946580), (15, 1379157264), (16, 1292959935), (18, 1149297720), (20, 1034367948), (24, 861973290), (27, 766198480), (30, 689578632), (31, 667334160), (36, 574648860), (40, 517183974), (45, 459719088), (48, 430986645), (54, 383099240), (60, 344789316), (62, 333667080), (72, 287324430), (80, 258591987), (90, 229859544), (93, 222444720), (108, 191549620), (120, 172394658), (124, 166833540), (135, 153239696), (144, 143662215), (155, 133466832), (180, 114929772), (186, 111222360), (216, 95774810), (240, 86197329), (248, 83416770), (270, 76619848), (279, 74148240), (310, 66733416), (360, 57464886), (372, 55611180), (432, 47887405), (465, 44488944), (496, 41708385), (540, 38309924), (558, 37074120), (620, 33366708), (720, 28732443), (744, 27805590), (837, 24716080), (930, 22244472), (1080, 19154962), (1116, 18537060), (1240, 16683354), (1395, 14829648), (1488, 13902795), (1674, 12358040), (1860, 11122236), (2160, 9577481), (2232, 9268530), (2480, 8341677), (2790, 7414824), (3348, 6179020), (3720, 5561118), (4185, 4943216), (4464, 4634265), (5580, 3707412), (6696, 3089510), (7440, 2780559), (8370, 2471608), (11160, 1853706), (13392, 1544755), (16740, 1235804), (22320, 926853), (33480, 617902), (66960, 308951)]