20166536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 40958400

約数和(自身を除く): 20791864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 919, 1688, 1838, 2743, 3676, 5486, 7352, 10972, 11947, 21944, 23894, 47788, 95576, 193909, 387818, 775636, 1551272, 2520817, 5041634, 10083268, 20166536]

約数ペア:

[(1, 20166536), (2, 10083268), (4, 5041634), (8, 2520817), (13, 1551272), (26, 775636), (52, 387818), (104, 193909), (211, 95576), (422, 47788), (844, 23894), (919, 21944), (1688, 11947), (1838, 10972), (2743, 7352), (3676, 5486)]