20210552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 40402800

約数和(自身を除く): 20192248

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 859, 1384, 1718, 2941, 3436, 5882, 6872, 11764, 14603, 23528, 29206, 58412, 116824, 148607, 297214, 594428, 1188856, 2526319, 5052638, 10105276, 20210552]

約数ペア:

[(1, 20210552), (2, 10105276), (4, 5052638), (8, 2526319), (17, 1188856), (34, 594428), (68, 297214), (136, 148607), (173, 116824), (346, 58412), (692, 29206), (859, 23528), (1384, 14603), (1718, 11764), (2941, 6872), (3436, 5882)]