20089821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7499}}^1$

素因数の和:7568

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8710179

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7499, 22497, 142481, 352453, 427443, 1057359, 6696607, 20089821]

約数ペア:

[(1, 20089821), (3, 6696607), (19, 1057359), (47, 427443), (57, 352453), (141, 142481), (893, 22497), (2679, 7499)]