20565500907

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18477539}}^1$

素因数の和:18477602

約数の個数: 16

約数和(自身を含む): 31929189120

約数和(自身を除く): 11363688213

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18477539, 55432617, 129342773, 388028319, 979309567, 2937928701, 6855166969, 20565500907]

約数ペア:

[(1, 20565500907), (3, 6855166969), (7, 2937928701), (21, 979309567), (53, 388028319), (159, 129342773), (371, 55432617), (1113, 18477539)]