20737200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 120

約数和(自身を含む): 72513216

約数和(自身を除く): 51776016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1571, 1650, 2200, 2640, 3142, 3300, 4400, 4713, 6284, 6600, 7855, 9426, 12568, 13200, 15710, 17281, 18852, 23565, 25136, 31420, 34562, 37704, 39275, 47130, 51843, 62840, 69124, 75408, 78550, 86405, 94260, 103686, 117825, 125680, 138248, 157100, 172810, 188520, 207372, 235650, 259215, 276496, 314200, 345620, 377040, 414744, 432025, 471300, 518430, 628400, 691240, 829488, 864050, 942600, 1036860, 1296075, 1382480, 1728100, 1885200, 2073720, 2592150, 3456200, 4147440, 5184300, 6912400, 10368600, 20737200]

約数ペア:

[(1, 20737200), (2, 10368600), (3, 6912400), (4, 5184300), (5, 4147440), (6, 3456200), (8, 2592150), (10, 2073720), (11, 1885200), (12, 1728100), (15, 1382480), (16, 1296075), (20, 1036860), (22, 942600), (24, 864050), (25, 829488), (30, 691240), (33, 628400), (40, 518430), (44, 471300), (48, 432025), (50, 414744), (55, 377040), (60, 345620), (66, 314200), (75, 276496), (80, 259215), (88, 235650), (100, 207372), (110, 188520), (120, 172810), (132, 157100), (150, 138248), (165, 125680), (176, 117825), (200, 103686), (220, 94260), (240, 86405), (264, 78550), (275, 75408), (300, 69124), (330, 62840), (400, 51843), (440, 47130), (528, 39275), (550, 37704), (600, 34562), (660, 31420), (825, 25136), (880, 23565), (1100, 18852), (1200, 17281), (1320, 15710), (1571, 13200), (1650, 12568), (2200, 9426), (2640, 7855), (3142, 6600), (3300, 6284), (4400, 4713)]