20165671908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7889543}}^1$

素因数の和:7889624

約数の個数: 36

約数和(自身を含む): 51692292288

約数和(自身を除く): 31526620380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7889543, 15779086, 23668629, 31558172, 47337258, 71005887, 94674516, 142011774, 284023548, 560157553, 1120315106, 1680472659, 2240630212, 3360945318, 5041417977, 6721890636, 10082835954, 20165671908]

約数ペア:

[(1, 20165671908), (2, 10082835954), (3, 6721890636), (4, 5041417977), (6, 3360945318), (9, 2240630212), (12, 1680472659), (18, 1120315106), (36, 560157553), (71, 284023548), (142, 142011774), (213, 94674516), (284, 71005887), (426, 47337258), (639, 31558172), (852, 23668629), (1278, 15779086), (2556, 7889543)]