20785930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{811}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 20255798

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 233, 466, 811, 1165, 1622, 2330, 2563, 4055, 5126, 8110, 8921, 12815, 17842, 25630, 44605, 89210, 188963, 377926, 944815, 1889630, 2078593, 4157186, 10392965, 20785930]

約数ペア:

[(1, 20785930), (2, 10392965), (5, 4157186), (10, 2078593), (11, 1889630), (22, 944815), (55, 377926), (110, 188963), (233, 89210), (466, 44605), (811, 25630), (1165, 17842), (1622, 12815), (2330, 8921), (2563, 8110), (4055, 5126)]