20531230

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3203}}^1$

素因数の和:3851

約数の個数: 16

約数和(自身を含む): 37025424

約数和(自身を除く): 16494194

約数列:

[1, 2, 5, 10, 641, 1282, 3203, 3205, 6406, 6410, 16015, 32030, 2053123, 4106246, 10265615, 20531230]

約数ペア:

[(1, 20531230), (2, 10265615), (5, 4106246), (10, 2053123), (641, 32030), (1282, 16015), (3203, 6410), (3205, 6406)]