20159858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 24

約数和(自身を含む): 33138396

約数和(自身を除く): 12978538

約数列:

[1, 2, 17, 31, 34, 62, 527, 617, 961, 1054, 1234, 1922, 10489, 16337, 19127, 20978, 32674, 38254, 325159, 592937, 650318, 1185874, 10079929, 20159858]

約数ペア:

[(1, 20159858), (2, 10079929), (17, 1185874), (31, 650318), (34, 592937), (62, 325159), (527, 38254), (617, 32674), (961, 20978), (1054, 19127), (1234, 16337), (1922, 10489)]