20078396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3823}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 38224704

約数和(自身を除く): 18146308

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3823, 5252, 7646, 15292, 49699, 99398, 198796, 386123, 772246, 1544492, 5019599, 10039198, 20078396]

約数ペア:

[(1, 20078396), (2, 10039198), (4, 5019599), (13, 1544492), (26, 772246), (52, 386123), (101, 198796), (202, 99398), (404, 49699), (1313, 15292), (2626, 7646), (3823, 5252)]