20864648

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1627}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 44932800

約数和(自身を除く): 24068152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1603, 1627, 1832, 3206, 3254, 6412, 6508, 11389, 12824, 13016, 22778, 45556, 91112, 372583, 745166, 1490332, 2608081, 2980664, 5216162, 10432324, 20864648]

約数ペア:

[(1, 20864648), (2, 10432324), (4, 5216162), (7, 2980664), (8, 2608081), (14, 1490332), (28, 745166), (56, 372583), (229, 91112), (458, 45556), (916, 22778), (1603, 13016), (1627, 12824), (1832, 11389), (3206, 6508), (3254, 6412)]