20512073393

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{455227}}^1$

素因数の和:455432

約数の個数: 16

約数和(自身を含む): 24167144064

約数和(自身を除く): 3655070671

約数列:

[1, 7, 41, 157, 287, 1099, 6437, 45059, 455227, 3186589, 18664307, 71470639, 130650149, 500294473, 2930296199, 20512073393]

約数ペア:

[(1, 20512073393), (7, 2930296199), (41, 500294473), (157, 130650149), (287, 71470639), (1099, 18664307), (6437, 3186589), (45059, 455227)]