20863612

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9677}}^1$

素因数の和:9706

約数の個数: 36

約数和(自身を含む): 46338264

約数和(自身を除く): 25474652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9677, 19354, 38708, 67739, 106447, 135478, 212894, 270956, 425788, 474173, 745129, 948346, 1490258, 1896692, 2980516, 5215903, 10431806, 20863612]

約数ペア:

[(1, 20863612), (2, 10431806), (4, 5215903), (7, 2980516), (11, 1896692), (14, 1490258), (22, 948346), (28, 745129), (44, 474173), (49, 425788), (77, 270956), (98, 212894), (154, 135478), (196, 106447), (308, 67739), (539, 38708), (1078, 19354), (2156, 9677)]