20201621882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1\times {\mathrm{6389}}^1$

素因数の和:10358

約数の個数: 32

約数和(自身を含む): 33699939840

約数和(自身を除く): 13498317958

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 3923, 6389, 7846, 12778, 50999, 83057, 101998, 121613, 166114, 198059, 243226, 396118, 1580969, 2574767, 3161938, 5149534, 25064047, 50128094, 325832611, 651665222, 776985457, 1553970914, 10100810941, 20201621882]

約数ペア:

[(1, 20201621882), (2, 10100810941), (13, 1553970914), (26, 776985457), (31, 651665222), (62, 325832611), (403, 50128094), (806, 25064047), (3923, 5149534), (6389, 3161938), (7846, 2574767), (12778, 1580969), (50999, 396118), (83057, 243226), (101998, 198059), (121613, 166114)]