20138932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2557}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 38676960

約数和(自身を除く): 18538028

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2557, 3938, 5114, 7876, 10228, 28127, 56254, 112508, 457703, 915406, 1830812, 5034733, 10069466, 20138932]

約数ペア:

[(1, 20138932), (2, 10069466), (4, 5034733), (11, 1830812), (22, 915406), (44, 457703), (179, 112508), (358, 56254), (716, 28127), (1969, 10228), (2557, 7876), (3938, 5114)]