20237588

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1404

約数の個数: 36

約数和(自身を含む): 41751360

約数和(自身を除く): 21513772

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1307, 2212, 2614, 3871, 5228, 7742, 9149, 15484, 18298, 36596, 64043, 103253, 128086, 206506, 256172, 413012, 722771, 1445542, 2891084, 5059397, 10118794, 20237588]

約数ペア:

[(1, 20237588), (2, 10118794), (4, 5059397), (7, 2891084), (14, 1445542), (28, 722771), (49, 413012), (79, 256172), (98, 206506), (158, 128086), (196, 103253), (316, 64043), (553, 36596), (1106, 18298), (1307, 15484), (2212, 9149), (2614, 7742), (3871, 5228)]