200021744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{961643}}^1$

素因数の和:961664

約数の個数: 20

約数和(自身を含む): 417353496

約数和(自身を除く): 217331752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 961643, 1923286, 3846572, 7693144, 12501359, 15386288, 25002718, 50005436, 100010872, 200021744]

約数ペア:

[(1, 200021744), (2, 100010872), (4, 50005436), (8, 25002718), (13, 15386288), (16, 12501359), (26, 7693144), (52, 3846572), (104, 1923286), (208, 961643)]