20984324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{733}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 39028248

約数和(自身を除く): 18043924

約数列:

[1, 2, 4, 17, 34, 68, 421, 733, 842, 1466, 1684, 2932, 7157, 12461, 14314, 24922, 28628, 49844, 308593, 617186, 1234372, 5246081, 10492162, 20984324]

約数ペア:

[(1, 20984324), (2, 10492162), (4, 5246081), (17, 1234372), (34, 617186), (68, 308593), (421, 49844), (733, 28628), (842, 24922), (1466, 14314), (1684, 12461), (2932, 7157)]