20542790

素因数分解:

$2^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1579}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 37028880

約数和(自身を除く): 16486090

約数列:

[1, 2, 5, 10, 1301, 1579, 2602, 3158, 6505, 7895, 13010, 15790, 2054279, 4108558, 10271395, 20542790]

約数ペア:

[(1, 20542790), (2, 10271395), (5, 4108558), (10, 2054279), (1301, 15790), (1579, 13010), (2602, 7895), (3158, 6505)]