20171640963

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1\times {\mathrm{5231}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 27909245952

約数和(自身を除く): 7737604989

約数列:

[1, 3, 41, 107, 123, 293, 321, 879, 4387, 5231, 12013, 13161, 15693, 31351, 36039, 94053, 214471, 559717, 643413, 1285391, 1532683, 1679151, 3856173, 4598049, 22948397, 62840003, 68845191, 163997081, 188520009, 491991243, 6723880321, 20171640963]

約数ペア:

[(1, 20171640963), (3, 6723880321), (41, 491991243), (107, 188520009), (123, 163997081), (293, 68845191), (321, 62840003), (879, 22948397), (4387, 4598049), (5231, 3856173), (12013, 1679151), (13161, 1532683), (15693, 1285391), (31351, 643413), (36039, 559717), (94053, 214471)]