20479500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 69713280

約数和(自身を除く): 49233780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 41, 45, 50, 54, 60, 74, 75, 82, 90, 100, 108, 111, 123, 125, 135, 148, 150, 164, 180, 185, 205, 222, 225, 246, 250, 270, 300, 333, 369, 370, 375, 410, 444, 450, 492, 500, 540, 555, 615, 666, 675, 738, 740, 750, 820, 900, 925, 999, 1025, 1107, 1110, 1125, 1230, 1332, 1350, 1476, 1500, 1517, 1665, 1845, 1850, 1998, 2050, 2214, 2220, 2250, 2460, 2700, 2775, 3034, 3075, 3330, 3375, 3690, 3700, 3996, 4100, 4428, 4500, 4551, 4625, 4995, 5125, 5535, 5550, 6068, 6150, 6660, 6750, 7380, 7585, 8325, 9102, 9225, 9250, 9990, 10250, 11070, 11100, 12300, 13500, 13653, 13875, 15170, 15375, 16650, 18204, 18450, 18500, 19980, 20500, 22140, 22755, 24975, 27306, 27675, 27750, 30340, 30750, 33300, 36900, 37925, 40959, 41625, 45510, 46125, 49950, 54612, 55350, 55500, 61500, 68265, 75850, 81918, 83250, 91020, 92250, 99900, 110700, 113775, 124875, 136530, 138375, 151700, 163836, 166500, 184500, 189625, 204795, 227550, 249750, 273060, 276750, 341325, 379250, 409590, 455100, 499500, 553500, 568875, 682650, 758500, 819180, 1023975, 1137750, 1365300, 1706625, 2047950, 2275500, 3413250, 4095900, 5119875, 6826500, 10239750, 20479500]

約数ペア:

[(1, 20479500), (2, 10239750), (3, 6826500), (4, 5119875), (5, 4095900), (6, 3413250), (9, 2275500), (10, 2047950), (12, 1706625), (15, 1365300), (18, 1137750), (20, 1023975), (25, 819180), (27, 758500), (30, 682650), (36, 568875), (37, 553500), (41, 499500), (45, 455100), (50, 409590), (54, 379250), (60, 341325), (74, 276750), (75, 273060), (82, 249750), (90, 227550), (100, 204795), (108, 189625), (111, 184500), (123, 166500), (125, 163836), (135, 151700), (148, 138375), (150, 136530), (164, 124875), (180, 113775), (185, 110700), (205, 99900), (222, 92250), (225, 91020), (246, 83250), (250, 81918), (270, 75850), (300, 68265), (333, 61500), (369, 55500), (370, 55350), (375, 54612), (410, 49950), (444, 46125), (450, 45510), (492, 41625), (500, 40959), (540, 37925), (555, 36900), (615, 33300), (666, 30750), (675, 30340), (738, 27750), (740, 27675), (750, 27306), (820, 24975), (900, 22755), (925, 22140), (999, 20500), (1025, 19980), (1107, 18500), (1110, 18450), (1125, 18204), (1230, 16650), (1332, 15375), (1350, 15170), (1476, 13875), (1500, 13653), (1517, 13500), (1665, 12300), (1845, 11100), (1850, 11070), (1998, 10250), (2050, 9990), (2214, 9250), (2220, 9225), (2250, 9102), (2460, 8325), (2700, 7585), (2775, 7380), (3034, 6750), (3075, 6660), (3330, 6150), (3375, 6068), (3690, 5550), (3700, 5535), (3996, 5125), (4100, 4995), (4428, 4625), (4500, 4551)]