20674324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7013}}^1$

素因数の和:7095

約数の個数: 24

約数和(自身を含む): 40063968

約数和(自身を除く): 19389644

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7013, 14026, 28052, 77143, 154286, 308572, 469871, 939742, 1879484, 5168581, 10337162, 20674324]

約数ペア:

[(1, 20674324), (2, 10337162), (4, 5168581), (11, 1879484), (22, 939742), (44, 469871), (67, 308572), (134, 154286), (268, 77143), (737, 28052), (1474, 14026), (2948, 7013)]