20532774

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 21512922

約数列:

[1, 2, 3, 6, 71, 142, 157, 213, 307, 314, 426, 471, 614, 921, 942, 1842, 11147, 21797, 22294, 33441, 43594, 48199, 65391, 66882, 96398, 130782, 144597, 289194, 3422129, 6844258, 10266387, 20532774]

約数ペア:

[(1, 20532774), (2, 10266387), (3, 6844258), (6, 3422129), (71, 289194), (142, 144597), (157, 130782), (213, 96398), (307, 66882), (314, 65391), (426, 48199), (471, 43594), (614, 33441), (921, 22294), (942, 21797), (1842, 11147)]