20084218

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 39529728

約数和(自身を除く): 19445510

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 601, 682, 1078, 1202, 1519, 2387, 3038, 4207, 4774, 6611, 8414, 13222, 16709, 18631, 29449, 33418, 37262, 46277, 58898, 92554, 130417, 204941, 260834, 323939, 409882, 647878, 912919, 1434587, 1825838, 2869174, 10042109, 20084218]

約数ペア:

[(1, 20084218), (2, 10042109), (7, 2869174), (11, 1825838), (14, 1434587), (22, 912919), (31, 647878), (49, 409882), (62, 323939), (77, 260834), (98, 204941), (154, 130417), (217, 92554), (341, 58898), (434, 46277), (539, 37262), (601, 33418), (682, 29449), (1078, 18631), (1202, 16709), (1519, 13222), (2387, 8414), (3038, 6611), (4207, 4774)]