20714760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5231}}^1$

素因数の和:5259

約数の個数: 96

約数和(自身を含む): 73457280

約数和(自身を除く): 52742520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5231, 10462, 15693, 20924, 26155, 31386, 41848, 47079, 52310, 57541, 62772, 78465, 94158, 104620, 115082, 125544, 156930, 172623, 188316, 209240, 230164, 235395, 287705, 313860, 345246, 376632, 460328, 470790, 517869, 575410, 627720, 690492, 863115, 941580, 1035738, 1150820, 1380984, 1726230, 1883160, 2071476, 2301640, 2589345, 3452460, 4142952, 5178690, 6904920, 10357380, 20714760]

約数ペア:

[(1, 20714760), (2, 10357380), (3, 6904920), (4, 5178690), (5, 4142952), (6, 3452460), (8, 2589345), (9, 2301640), (10, 2071476), (11, 1883160), (12, 1726230), (15, 1380984), (18, 1150820), (20, 1035738), (22, 941580), (24, 863115), (30, 690492), (33, 627720), (36, 575410), (40, 517869), (44, 470790), (45, 460328), (55, 376632), (60, 345246), (66, 313860), (72, 287705), (88, 235395), (90, 230164), (99, 209240), (110, 188316), (120, 172623), (132, 156930), (165, 125544), (180, 115082), (198, 104620), (220, 94158), (264, 78465), (330, 62772), (360, 57541), (396, 52310), (440, 47079), (495, 41848), (660, 31386), (792, 26155), (990, 20924), (1320, 15693), (1980, 10462), (3960, 5231)]