20802956

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 37196544

約数和(自身を除く): 16393588

約数列:

[1, 2, 4, 73, 146, 191, 292, 373, 382, 746, 764, 1492, 13943, 27229, 27886, 54458, 55772, 71243, 108916, 142486, 284972, 5200739, 10401478, 20802956]

約数ペア:

[(1, 20802956), (2, 10401478), (4, 5200739), (73, 284972), (146, 142486), (191, 108916), (292, 71243), (373, 55772), (382, 54458), (746, 27886), (764, 27229), (1492, 13943)]