20503076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7639}}^1$

素因数の和:7715

約数の個数: 24

約数和(自身を含む): 39789120

約数和(自身を除く): 19286044

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7639, 15278, 30556, 84029, 168058, 336116, 465979, 931958, 1863916, 5125769, 10251538, 20503076]

約数ペア:

[(1, 20503076), (2, 10251538), (4, 5125769), (11, 1863916), (22, 931958), (44, 465979), (61, 336116), (122, 168058), (244, 84029), (671, 30556), (1342, 15278), (2684, 7639)]