20165786319

素因数分解:

$3^1\times 7^1\times {\mathrm{3229}}^1\times {\mathrm{297391}}^1$

素因数の和:300630

約数の個数: 16

約数和(自身を含む): 30738437120

約数和(自身を除く): 10572650801

約数列:

[1, 3, 7, 21, 3229, 9687, 22603, 67809, 297391, 892173, 2081737, 6245211, 960275539, 2880826617, 6721928773, 20165786319]

約数ペア:

[(1, 20165786319), (3, 6721928773), (7, 2880826617), (21, 960275539), (3229, 6245211), (9687, 2081737), (22603, 892173), (67809, 297391)]