20552505

素因数分解:

$3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1741}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 32944704

約数和(自身を除く): 12392199

約数列:

[1, 3, 5, 15, 787, 1741, 2361, 3935, 5223, 8705, 11805, 26115, 1370167, 4110501, 6850835, 20552505]

約数ペア:

[(1, 20552505), (3, 6850835), (5, 4110501), (15, 1370167), (787, 26115), (1741, 11805), (2361, 8705), (3935, 5223)]