20449800

素因数分解:

$2^3\times 3^3\times 5^2\times 7^1\times {\mathrm{541}}^1$

素因数の和:573

約数の個数: 192

約数和(自身を含む): 80649600

約数和(自身を除く): 60199800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 168, 175, 180, 189, 200, 210, 216, 225, 252, 270, 280, 300, 315, 350, 360, 378, 420, 450, 504, 525, 540, 541, 600, 630, 675, 700, 756, 840, 900, 945, 1050, 1080, 1082, 1260, 1350, 1400, 1512, 1575, 1623, 1800, 1890, 2100, 2164, 2520, 2700, 2705, 3150, 3246, 3780, 3787, 4200, 4328, 4725, 4869, 5400, 5410, 6300, 6492, 7560, 7574, 8115, 9450, 9738, 10820, 11361, 12600, 12984, 13525, 14607, 15148, 16230, 18900, 18935, 19476, 21640, 22722, 24345, 27050, 29214, 30296, 32460, 34083, 37800, 37870, 38952, 40575, 45444, 48690, 54100, 56805, 58428, 64920, 68166, 73035, 75740, 81150, 90888, 94675, 97380, 102249, 108200, 113610, 116856, 121725, 136332, 146070, 151480, 162300, 170415, 189350, 194760, 204498, 227220, 243450, 272664, 284025, 292140, 324600, 340830, 365175, 378700, 408996, 454440, 486900, 511245, 568050, 584280, 681660, 730350, 757400, 817992, 852075, 973800, 1022490, 1136100, 1363320, 1460700, 1704150, 2044980, 2272200, 2556225, 2921400, 3408300, 4089960, 5112450, 6816600, 10224900, 20449800]

約数ペア:

[(1, 20449800), (2, 10224900), (3, 6816600), (4, 5112450), (5, 4089960), (6, 3408300), (7, 2921400), (8, 2556225), (9, 2272200), (10, 2044980), (12, 1704150), (14, 1460700), (15, 1363320), (18, 1136100), (20, 1022490), (21, 973800), (24, 852075), (25, 817992), (27, 757400), (28, 730350), (30, 681660), (35, 584280), (36, 568050), (40, 511245), (42, 486900), (45, 454440), (50, 408996), (54, 378700), (56, 365175), (60, 340830), (63, 324600), (70, 292140), (72, 284025), (75, 272664), (84, 243450), (90, 227220), (100, 204498), (105, 194760), (108, 189350), (120, 170415), (126, 162300), (135, 151480), (140, 146070), (150, 136332), (168, 121725), (175, 116856), (180, 113610), (189, 108200), (200, 102249), (210, 97380), (216, 94675), (225, 90888), (252, 81150), (270, 75740), (280, 73035), (300, 68166), (315, 64920), (350, 58428), (360, 56805), (378, 54100), (420, 48690), (450, 45444), (504, 40575), (525, 38952), (540, 37870), (541, 37800), (600, 34083), (630, 32460), (675, 30296), (700, 29214), (756, 27050), (840, 24345), (900, 22722), (945, 21640), (1050, 19476), (1080, 18935), (1082, 18900), (1260, 16230), (1350, 15148), (1400, 14607), (1512, 13525), (1575, 12984), (1623, 12600), (1800, 11361), (1890, 10820), (2100, 9738), (2164, 9450), (2520, 8115), (2700, 7574), (2705, 7560), (3150, 6492), (3246, 6300), (3780, 5410), (3787, 5400), (4200, 4869), (4328, 4725)]