20509010

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7247}}^1$

素因数の和:7537

約数の個数: 16

約数和(自身を含む): 37051776

約数和(自身を除く): 16542766

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 7247, 14494, 36235, 72470, 2050901, 4101802, 10254505, 20509010]

約数ペア:

[(1, 20509010), (2, 10254505), (5, 4101802), (10, 2050901), (283, 72470), (566, 36235), (1415, 14494), (2830, 7247)]