20188440

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 51097320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 67, 72, 81, 90, 93, 108, 120, 124, 134, 135, 155, 162, 180, 186, 201, 216, 243, 248, 268, 270, 279, 310, 324, 335, 360, 372, 402, 405, 465, 486, 536, 540, 558, 603, 620, 648, 670, 744, 804, 810, 837, 930, 972, 1005, 1080, 1116, 1206, 1215, 1240, 1340, 1395, 1608, 1620, 1674, 1809, 1860, 1944, 2010, 2077, 2232, 2412, 2430, 2511, 2680, 2790, 3015, 3240, 3348, 3618, 3720, 4020, 4154, 4185, 4824, 4860, 5022, 5427, 5580, 6030, 6231, 6696, 7236, 7533, 8040, 8308, 8370, 9045, 9720, 10044, 10385, 10854, 11160, 12060, 12462, 12555, 14472, 15066, 16281, 16616, 16740, 18090, 18693, 20088, 20770, 21708, 24120, 24924, 25110, 27135, 30132, 31155, 32562, 33480, 36180, 37386, 37665, 41540, 43416, 49848, 50220, 54270, 56079, 60264, 62310, 65124, 72360, 74772, 75330, 81405, 83080, 93465, 100440, 108540, 112158, 124620, 130248, 149544, 150660, 162810, 168237, 186930, 217080, 224316, 249240, 280395, 301320, 325620, 336474, 373860, 448632, 504711, 560790, 651240, 672948, 747720, 841185, 1009422, 1121580, 1345896, 1682370, 2018844, 2243160, 2523555, 3364740, 4037688, 5047110, 6729480, 10094220, 20188440]

約数ペア:

[(1, 20188440), (2, 10094220), (3, 6729480), (4, 5047110), (5, 4037688), (6, 3364740), (8, 2523555), (9, 2243160), (10, 2018844), (12, 1682370), (15, 1345896), (18, 1121580), (20, 1009422), (24, 841185), (27, 747720), (30, 672948), (31, 651240), (36, 560790), (40, 504711), (45, 448632), (54, 373860), (60, 336474), (62, 325620), (67, 301320), (72, 280395), (81, 249240), (90, 224316), (93, 217080), (108, 186930), (120, 168237), (124, 162810), (134, 150660), (135, 149544), (155, 130248), (162, 124620), (180, 112158), (186, 108540), (201, 100440), (216, 93465), (243, 83080), (248, 81405), (268, 75330), (270, 74772), (279, 72360), (310, 65124), (324, 62310), (335, 60264), (360, 56079), (372, 54270), (402, 50220), (405, 49848), (465, 43416), (486, 41540), (536, 37665), (540, 37386), (558, 36180), (603, 33480), (620, 32562), (648, 31155), (670, 30132), (744, 27135), (804, 25110), (810, 24924), (837, 24120), (930, 21708), (972, 20770), (1005, 20088), (1080, 18693), (1116, 18090), (1206, 16740), (1215, 16616), (1240, 16281), (1340, 15066), (1395, 14472), (1608, 12555), (1620, 12462), (1674, 12060), (1809, 11160), (1860, 10854), (1944, 10385), (2010, 10044), (2077, 9720), (2232, 9045), (2412, 8370), (2430, 8308), (2511, 8040), (2680, 7533), (2790, 7236), (3015, 6696), (3240, 6231), (3348, 6030), (3618, 5580), (3720, 5427), (4020, 5022), (4154, 4860), (4185, 4824)]