20776168

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1051}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 44688960

約数和(自身を除く): 23912792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1051, 1412, 2102, 2471, 2824, 4204, 4942, 7357, 8408, 9884, 14714, 19768, 29428, 58856, 371003, 742006, 1484012, 2597021, 2968024, 5194042, 10388084, 20776168]

約数ペア:

[(1, 20776168), (2, 10388084), (4, 5194042), (7, 2968024), (8, 2597021), (14, 1484012), (28, 742006), (56, 371003), (353, 58856), (706, 29428), (1051, 19768), (1412, 14714), (2102, 9884), (2471, 8408), (2824, 7357), (4204, 4942)]