20070826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2549}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 31334400

約数和(自身を除く): 11263574

約数列:

[1, 2, 31, 62, 127, 254, 2549, 3937, 5098, 7874, 79019, 158038, 323723, 647446, 10035413, 20070826]

約数ペア:

[(1, 20070826), (2, 10035413), (31, 647446), (62, 323723), (127, 158038), (254, 79019), (2549, 7874), (3937, 5098)]