20742332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1669}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 18536068

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1669, 3107, 3338, 6214, 6676, 12428, 21697, 43394, 86788, 398891, 797782, 1595564, 5185583, 10371166, 20742332]

約数ペア:

[(1, 20742332), (2, 10371166), (4, 5185583), (13, 1595564), (26, 797782), (52, 398891), (239, 86788), (478, 43394), (956, 21697), (1669, 12428), (3107, 6676), (3338, 6214)]