2019653980

素因数分解:

$2^2\times 5^1\times {\mathrm{5059}}^1\times {\mathrm{19961}}^1$

素因数の和:25029

約数の個数: 24

約数和(自身を含む): 4242324240

約数和(自身を除く): 2222670260

約数列:

[1, 2, 4, 5, 10, 20, 5059, 10118, 19961, 20236, 25295, 39922, 50590, 79844, 99805, 101180, 199610, 399220, 100982699, 201965398, 403930796, 504913495, 1009826990, 2019653980]

約数ペア:

[(1, 2019653980), (2, 1009826990), (4, 504913495), (5, 403930796), (10, 201965398), (20, 100982699), (5059, 399220), (10118, 199610), (19961, 101180), (20236, 99805), (25295, 79844), (39922, 50590)]