20465170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8130

約数の個数: 32

約数和(自身を含む): 41938560

約数和(自身を除く): 21473390

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8089, 16178, 40445, 80890, 88979, 177958, 186047, 372094, 444895, 889790, 930235, 1860470, 2046517, 4093034, 10232585, 20465170]

約数ペア:

[(1, 20465170), (2, 10232585), (5, 4093034), (10, 2046517), (11, 1860470), (22, 930235), (23, 889790), (46, 444895), (55, 372094), (110, 186047), (115, 177958), (230, 88979), (253, 80890), (506, 40445), (1265, 16178), (2530, 8089)]