20213838771

素因数分解:

$3^1\times 7^1\times {\mathrm{59887}}^1\times {\mathrm{16073}}^1$

素因数の和:75970

約数の個数: 16

約数和(自身を含む): 30804470784

約数和(自身を除く): 10590632013

約数列:

[1, 3, 7, 21, 16073, 48219, 59887, 112511, 179661, 337533, 419209, 1257627, 962563751, 2887691253, 6737946257, 20213838771]

約数ペア:

[(1, 20213838771), (3, 6737946257), (7, 2887691253), (21, 962563751), (16073, 1257627), (48219, 419209), (59887, 337533), (112511, 179661)]