20870733

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1171}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 30059456

約数和(自身を除く): 9188723

約数列:

[1, 3, 13, 39, 457, 1171, 1371, 3513, 5941, 15223, 17823, 45669, 535147, 1605441, 6956911, 20870733]

約数ペア:

[(1, 20870733), (3, 6956911), (13, 1605441), (39, 535147), (457, 45669), (1171, 17823), (1371, 15223), (3513, 5941)]