20119850

素因数分解:

$2^1\times 5^2\times {\mathrm{349}}^1\times {\mathrm{1153}}^1$

素因数の和:1514

約数の個数: 24

約数和(自身を含む): 37562700

約数和(自身を除く): 17442850

約数列:

[1, 2, 5, 10, 25, 50, 349, 698, 1153, 1745, 2306, 3490, 5765, 8725, 11530, 17450, 28825, 57650, 402397, 804794, 2011985, 4023970, 10059925, 20119850]

約数ペア:

[(1, 20119850), (2, 10059925), (5, 4023970), (10, 2011985), (25, 804794), (50, 402397), (349, 57650), (698, 28825), (1153, 17450), (1745, 11530), (2306, 8725), (3490, 5765)]