20566654

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:827

約数の個数: 16

約数和(自身を含む): 31395600

約数和(自身を除く): 10828946

約数列:

[1, 2, 89, 178, 227, 454, 509, 1018, 20203, 40406, 45301, 90602, 115543, 231086, 10283327, 20566654]

約数ペア:

[(1, 20566654), (2, 10283327), (89, 231086), (178, 115543), (227, 90602), (454, 45301), (509, 40406), (1018, 20203)]