20112840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1$

素因数の和:1724

約数の個数: 128

約数和(自身を含む): 73180800

約数和(自身を除く): 53067960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1693, 1980, 2376, 2970, 3386, 3960, 5079, 5940, 6772, 8465, 10158, 11880, 13544, 15237, 16930, 18623, 20316, 25395, 30474, 33860, 37246, 40632, 45711, 50790, 55869, 60948, 67720, 74492, 76185, 91422, 93115, 101580, 111738, 121896, 148984, 152370, 167607, 182844, 186230, 203160, 223476, 228555, 279345, 304740, 335214, 365688, 372460, 446952, 457110, 502821, 558690, 609480, 670428, 744920, 838035, 914220, 1005642, 1117380, 1340856, 1676070, 1828440, 2011284, 2234760, 2514105, 3352140, 4022568, 5028210, 6704280, 10056420, 20112840]

約数ペア:

[(1, 20112840), (2, 10056420), (3, 6704280), (4, 5028210), (5, 4022568), (6, 3352140), (8, 2514105), (9, 2234760), (10, 2011284), (11, 1828440), (12, 1676070), (15, 1340856), (18, 1117380), (20, 1005642), (22, 914220), (24, 838035), (27, 744920), (30, 670428), (33, 609480), (36, 558690), (40, 502821), (44, 457110), (45, 446952), (54, 372460), (55, 365688), (60, 335214), (66, 304740), (72, 279345), (88, 228555), (90, 223476), (99, 203160), (108, 186230), (110, 182844), (120, 167607), (132, 152370), (135, 148984), (165, 121896), (180, 111738), (198, 101580), (216, 93115), (220, 91422), (264, 76185), (270, 74492), (297, 67720), (330, 60948), (360, 55869), (396, 50790), (440, 45711), (495, 40632), (540, 37246), (594, 33860), (660, 30474), (792, 25395), (990, 20316), (1080, 18623), (1188, 16930), (1320, 15237), (1485, 13544), (1693, 11880), (1980, 10158), (2376, 8465), (2970, 6772), (3386, 5940), (3960, 5079)]