20384161920

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{131071}}^1$

素因数の和:131105

約数の個数: 192

約数和(自身を含む): 72996618240

約数和(自身を除く): 52612456320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 3240, 3456, 3888, 4320, 4860, 5184, 5760, 6480, 7776, 8640, 9720, 10368, 12960, 15552, 17280, 19440, 25920, 31104, 38880, 51840, 77760, 131071, 155520, 262142, 393213, 524284, 655355, 786426, 1048568, 1179639, 1310710, 1572852, 1966065, 2097136, 2359278, 2621420, 3145704, 3538917, 3932130, 4194272, 4718556, 5242840, 5898195, 6291408, 7077834, 7864260, 8388544, 9437112, 10485680, 10616751, 11796390, 12582816, 14155668, 15728520, 16777088, 17694585, 18874224, 20971360, 21233502, 23592780, 25165632, 28311336, 31457040, 31850253, 35389170, 37748448, 41942720, 42467004, 47185560, 50331264, 53083755, 56622672, 62914080, 63700506, 70778340, 75496896, 83885440, 84934008, 94371120, 106167510, 113245344, 125828160, 127401012, 141556680, 150993792, 159251265, 169868016, 188742240, 212335020, 226490688, 251656320, 254802024, 283113360, 318502530, 339736032, 377484480, 424670040, 452981376, 509604048, 566226720, 637005060, 679472064, 754968960, 849340080, 1019208096, 1132453440, 1274010120, 1358944128, 1698680160, 2038416192, 2264906880, 2548020240, 3397360320, 4076832384, 5096040480, 6794720640, 10192080960, 20384161920]

約数ペア:

[(1, 20384161920), (2, 10192080960), (3, 6794720640), (4, 5096040480), (5, 4076832384), (6, 3397360320), (8, 2548020240), (9, 2264906880), (10, 2038416192), (12, 1698680160), (15, 1358944128), (16, 1274010120), (18, 1132453440), (20, 1019208096), (24, 849340080), (27, 754968960), (30, 679472064), (32, 637005060), (36, 566226720), (40, 509604048), (45, 452981376), (48, 424670040), (54, 377484480), (60, 339736032), (64, 318502530), (72, 283113360), (80, 254802024), (81, 251656320), (90, 226490688), (96, 212335020), (108, 188742240), (120, 169868016), (128, 159251265), (135, 150993792), (144, 141556680), (160, 127401012), (162, 125828160), (180, 113245344), (192, 106167510), (216, 94371120), (240, 84934008), (243, 83885440), (270, 75496896), (288, 70778340), (320, 63700506), (324, 62914080), (360, 56622672), (384, 53083755), (405, 50331264), (432, 47185560), (480, 42467004), (486, 41942720), (540, 37748448), (576, 35389170), (640, 31850253), (648, 31457040), (720, 28311336), (810, 25165632), (864, 23592780), (960, 21233502), (972, 20971360), (1080, 18874224), (1152, 17694585), (1215, 16777088), (1296, 15728520), (1440, 14155668), (1620, 12582816), (1728, 11796390), (1920, 10616751), (1944, 10485680), (2160, 9437112), (2430, 8388544), (2592, 7864260), (2880, 7077834), (3240, 6291408), (3456, 5898195), (3888, 5242840), (4320, 4718556), (4860, 4194272), (5184, 3932130), (5760, 3538917), (6480, 3145704), (7776, 2621420), (8640, 2359278), (9720, 2097136), (10368, 1966065), (12960, 1572852), (15552, 1310710), (17280, 1179639), (19440, 1048568), (25920, 786426), (31104, 655355), (38880, 524284), (51840, 393213), (77760, 262142), (131071, 155520)]