20159901220

素因数分解:

$2^2\times 5^1\times {\mathrm{23071}}^1\times {\mathrm{43691}}^1$

素因数の和:66771

約数の個数: 24

約数和(自身を含む): 42338596608

約数和(自身を除く): 22178695388

約数列:

[1, 2, 4, 5, 10, 20, 23071, 43691, 46142, 87382, 92284, 115355, 174764, 218455, 230710, 436910, 461420, 873820, 1007995061, 2015990122, 4031980244, 5039975305, 10079950610, 20159901220]

約数ペア:

[(1, 20159901220), (2, 10079950610), (4, 5039975305), (5, 4031980244), (10, 2015990122), (20, 1007995061), (23071, 873820), (43691, 461420), (46142, 436910), (87382, 230710), (92284, 218455), (115355, 174764)]