20194687924

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{490591}}^1$

素因数の和:490887

約数の個数: 24

約数和(自身を含む): 36346980096

約数和(自身を除く): 16152292172

約数列:

[1, 2, 4, 41, 82, 164, 251, 502, 1004, 10291, 20582, 41164, 490591, 981182, 1962364, 20114231, 40228462, 80456924, 123138341, 246276682, 492553364, 5048671981, 10097343962, 20194687924]

約数ペア:

[(1, 20194687924), (2, 10097343962), (4, 5048671981), (41, 492553364), (82, 246276682), (164, 123138341), (251, 80456924), (502, 40228462), (1004, 20114231), (10291, 1962364), (20582, 981182), (41164, 490591)]