20080214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1291}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 37953792

約数和(自身を除く): 17873578

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1291, 1414, 2222, 2582, 7777, 9037, 14201, 15554, 18074, 28402, 99407, 130391, 198814, 260782, 912737, 1434301, 1825474, 2868602, 10040107, 20080214]

約数ペア:

[(1, 20080214), (2, 10040107), (7, 2868602), (11, 1825474), (14, 1434301), (22, 912737), (77, 260782), (101, 198814), (154, 130391), (202, 99407), (707, 28402), (1111, 18074), (1291, 15554), (1414, 14201), (2222, 9037), (2582, 7777)]