20042984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^2$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 40563810

約数和(自身を除く): 20520826

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 878, 1756, 3512, 5707, 11414, 22828, 45656, 192721, 385442, 770884, 1541768, 2505373, 5010746, 10021492, 20042984]

約数ペア:

[(1, 20042984), (2, 10021492), (4, 5010746), (8, 2505373), (13, 1541768), (26, 770884), (52, 385442), (104, 192721), (439, 45656), (878, 22828), (1756, 11414), (3512, 5707)]