20448784

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5581}}^1$

素因数の和:5818

約数の個数: 20

約数和(自身を含む): 39799660

約数和(自身を除く): 19350876

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5581, 11162, 22324, 44648, 89296, 1278049, 2556098, 5112196, 10224392, 20448784]

約数ペア:

[(1, 20448784), (2, 10224392), (4, 5112196), (8, 2556098), (16, 1278049), (229, 89296), (458, 44648), (916, 22324), (1832, 11162), (3664, 5581)]