20716970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48179}}^1$

素因数の和:48229

約数の個数: 16

約数和(自身を含む): 38158560

約数和(自身を除く): 17441590

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48179, 96358, 240895, 481790, 2071697, 4143394, 10358485, 20716970]

約数ペア:

[(1, 20716970), (2, 10358485), (5, 4143394), (10, 2071697), (43, 481790), (86, 240895), (215, 96358), (430, 48179)]