20447726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 14509714

約数列:

[1, 2, 13, 26, 29, 47, 58, 94, 377, 577, 611, 754, 1154, 1222, 1363, 2726, 7501, 15002, 16733, 17719, 27119, 33466, 35438, 54238, 217529, 352547, 435058, 705094, 786451, 1572902, 10223863, 20447726]

約数ペア:

[(1, 20447726), (2, 10223863), (13, 1572902), (26, 786451), (29, 705094), (47, 435058), (58, 352547), (94, 217529), (377, 54238), (577, 35438), (611, 33466), (754, 27119), (1154, 17719), (1222, 16733), (1363, 15002), (2726, 7501)]