20591758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 35507808

約数和(自身を除く): 14916050

約数列:

[1, 2, 11, 22, 37, 41, 74, 82, 407, 451, 617, 814, 902, 1234, 1517, 3034, 6787, 13574, 16687, 22829, 25297, 33374, 45658, 50594, 251119, 278267, 502238, 556534, 935989, 1871978, 10295879, 20591758]

約数ペア:

[(1, 20591758), (2, 10295879), (11, 1871978), (22, 935989), (37, 556534), (41, 502238), (74, 278267), (82, 251119), (407, 50594), (451, 45658), (617, 33374), (814, 25297), (902, 22829), (1234, 16687), (1517, 13574), (3034, 6787)]