20396970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1873}}^1$

素因数の和:1908

約数の個数: 72

約数和(自身を含む): 58322628

約数和(自身を除く): 37925658

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 1873, 2178, 3630, 3746, 5445, 5619, 9365, 10890, 11238, 16857, 18730, 20603, 28095, 33714, 41206, 56190, 61809, 84285, 103015, 123618, 168570, 185427, 206030, 226633, 309045, 370854, 453266, 618090, 679899, 927135, 1133165, 1359798, 1854270, 2039697, 2266330, 3399495, 4079394, 6798990, 10198485, 20396970]

約数ペア:

[(1, 20396970), (2, 10198485), (3, 6798990), (5, 4079394), (6, 3399495), (9, 2266330), (10, 2039697), (11, 1854270), (15, 1359798), (18, 1133165), (22, 927135), (30, 679899), (33, 618090), (45, 453266), (55, 370854), (66, 309045), (90, 226633), (99, 206030), (110, 185427), (121, 168570), (165, 123618), (198, 103015), (242, 84285), (330, 61809), (363, 56190), (495, 41206), (605, 33714), (726, 28095), (990, 20603), (1089, 18730), (1210, 16857), (1815, 11238), (1873, 10890), (2178, 9365), (3630, 5619), (3746, 5445)]