20828294

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23831}}^1$

素因数の和:23875

約数の個数: 16

約数和(自身を含む): 34318080

約数和(自身を除く): 13489786

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23831, 47662, 452789, 548113, 905578, 1096226, 10414147, 20828294]

約数ペア:

[(1, 20828294), (2, 10414147), (19, 1096226), (23, 905578), (38, 548113), (46, 452789), (437, 47662), (874, 23831)]