20739664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117839}}^1$

素因数の和:117858

約数の個数: 20

約数和(自身を含む): 43836480

約数和(自身を除く): 23096816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117839, 235678, 471356, 942712, 1296229, 1885424, 2592458, 5184916, 10369832, 20739664]

約数ペア:

[(1, 20739664), (2, 10369832), (4, 5184916), (8, 2592458), (11, 1885424), (16, 1296229), (22, 942712), (44, 471356), (88, 235678), (176, 117839)]