20523561

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4451}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 8325399

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4451, 4611, 13353, 129079, 235903, 387237, 707709, 6841187, 20523561]

約数ペア:

[(1, 20523561), (3, 6841187), (29, 707709), (53, 387237), (87, 235903), (159, 129079), (1537, 13353), (4451, 4611)]