20403917456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98095757}}^1$

素因数の和:98095778

約数の個数: 20

約数和(自身を含む): 42573558972

約数和(自身を除く): 22169641516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98095757, 196191514, 392383028, 784766056, 1275244841, 1569532112, 2550489682, 5100979364, 10201958728, 20403917456]

約数ペア:

[(1, 20403917456), (2, 10201958728), (4, 5100979364), (8, 2550489682), (13, 1569532112), (16, 1275244841), (26, 784766056), (52, 392383028), (104, 196191514), (208, 98095757)]