20370945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10211}}^1$

素因数の和:10245

約数の個数: 32

約数和(自身を含む): 39214080

約数和(自身を除く): 18843135

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10211, 30633, 51055, 71477, 153165, 194009, 214431, 357385, 582027, 970045, 1072155, 1358063, 2910135, 4074189, 6790315, 20370945]

約数ペア:

[(1, 20370945), (3, 6790315), (5, 4074189), (7, 2910135), (15, 1358063), (19, 1072155), (21, 970045), (35, 582027), (57, 357385), (95, 214431), (105, 194009), (133, 153165), (285, 71477), (399, 51055), (665, 30633), (1995, 10211)]