20479150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21557}}^1$

素因数の和:21588

約数の個数: 24

約数和(自身を含む): 40097880

約数和(自身を除く): 19618730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21557, 43114, 107785, 215570, 409583, 538925, 819166, 1077850, 2047915, 4095830, 10239575, 20479150]

約数ペア:

[(1, 20479150), (2, 10239575), (5, 4095830), (10, 2047915), (19, 1077850), (25, 819166), (38, 538925), (50, 409583), (95, 215570), (190, 107785), (475, 43114), (950, 21557)]