205643056

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{20051}}^1$

素因数の和:20700

約数の個数: 20

約数和(自身を含む): 399074904

約数和(自身を除く): 193431848

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 20051, 40102, 80204, 160408, 320816, 12852691, 25705382, 51410764, 102821528, 205643056]

約数ペア:

[(1, 205643056), (2, 102821528), (4, 51410764), (8, 25705382), (16, 12852691), (641, 320816), (1282, 160408), (2564, 80204), (5128, 40102), (10256, 20051)]