20856950

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3001}}^1$

素因数の和:3152

約数の個数: 24

約数和(自身を含む): 39086040

約数和(自身を除く): 18229090

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3001, 3475, 6002, 6950, 15005, 30010, 75025, 150050, 417139, 834278, 2085695, 4171390, 10428475, 20856950]

約数ペア:

[(1, 20856950), (2, 10428475), (5, 4171390), (10, 2085695), (25, 834278), (50, 417139), (139, 150050), (278, 75025), (695, 30010), (1390, 15005), (3001, 6950), (3475, 6002)]