20967210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21179}}^1$

素因数の和:21203

約数の個数: 48

約数和(自身を含む): 59473440

約数和(自身を除く): 38506230

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21179, 42358, 63537, 105895, 127074, 190611, 211790, 232969, 317685, 381222, 465938, 635370, 698907, 953055, 1164845, 1397814, 1906110, 2096721, 2329690, 3494535, 4193442, 6989070, 10483605, 20967210]

約数ペア:

[(1, 20967210), (2, 10483605), (3, 6989070), (5, 4193442), (6, 3494535), (9, 2329690), (10, 2096721), (11, 1906110), (15, 1397814), (18, 1164845), (22, 953055), (30, 698907), (33, 635370), (45, 465938), (55, 381222), (66, 317685), (90, 232969), (99, 211790), (110, 190611), (165, 127074), (198, 105895), (330, 63537), (495, 42358), (990, 21179)]