20975816

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3931}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 42465600

約数和(自身を除く): 21489784

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 92, 116, 184, 232, 667, 1334, 2668, 3931, 5336, 7862, 15724, 31448, 90413, 113999, 180826, 227998, 361652, 455996, 723304, 911992, 2621977, 5243954, 10487908, 20975816]

約数ペア:

[(1, 20975816), (2, 10487908), (4, 5243954), (8, 2621977), (23, 911992), (29, 723304), (46, 455996), (58, 361652), (92, 227998), (116, 180826), (184, 113999), (232, 90413), (667, 31448), (1334, 15724), (2668, 7862), (3931, 5336)]