20168247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 30640896

約数和(自身を除く): 10472649

約数列:

[1, 3, 11, 33, 43, 61, 129, 183, 233, 473, 671, 699, 1419, 2013, 2563, 2623, 7689, 7869, 10019, 14213, 28853, 30057, 42639, 86559, 110209, 156343, 330627, 469029, 611159, 1833477, 6722749, 20168247]

約数ペア:

[(1, 20168247), (3, 6722749), (11, 1833477), (33, 611159), (43, 469029), (61, 330627), (129, 156343), (183, 110209), (233, 86559), (473, 42639), (671, 30057), (699, 28853), (1419, 14213), (2013, 10019), (2563, 7869), (2623, 7689)]