20503384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1543}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 42243840

約数和(自身を除く): 21740456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1543, 1661, 3086, 3322, 6172, 6644, 12344, 13288, 16973, 33946, 67892, 135784, 232993, 465986, 931972, 1863944, 2562923, 5125846, 10251692, 20503384]

約数ペア:

[(1, 20503384), (2, 10251692), (4, 5125846), (8, 2562923), (11, 1863944), (22, 931972), (44, 465986), (88, 232993), (151, 135784), (302, 67892), (604, 33946), (1208, 16973), (1543, 13288), (1661, 12344), (3086, 6644), (3322, 6172)]