20530895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53327}}^1$

素因数の和:53350

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 10186033

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53327, 266635, 373289, 586597, 1866445, 2932985, 4106179, 20530895]

約数ペア:

[(1, 20530895), (5, 4106179), (7, 2932985), (11, 1866445), (35, 586597), (55, 373289), (77, 266635), (385, 53327)]