20538716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6967}}^1$

素因数の和:7049

約数の個数: 24

約数和(自身を含む): 39801216

約数和(自身を除く): 19262500

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6967, 13934, 27868, 76637, 153274, 306548, 466789, 933578, 1867156, 5134679, 10269358, 20538716]

約数ペア:

[(1, 20538716), (2, 10269358), (4, 5134679), (11, 1867156), (22, 933578), (44, 466789), (67, 306548), (134, 153274), (268, 76637), (737, 27868), (1474, 13934), (2948, 6967)]