20871681903

素因数分解:

$3^2\times {\mathrm{467}}^1\times {\mathrm{991}}^1\times {\mathrm{5011}}^1$

素因数の和:6475

約数の個数: 24

約数和(自身を含む): 30249063936

約数和(自身を除く): 9377382033

約数列:

[1, 3, 9, 467, 991, 1401, 2973, 4203, 5011, 8919, 15033, 45099, 462797, 1388391, 2340137, 4165173, 4965901, 7020411, 14897703, 21061233, 44693109, 2319075767, 6957227301, 20871681903]

約数ペア:

[(1, 20871681903), (3, 6957227301), (9, 2319075767), (467, 44693109), (991, 21061233), (1401, 14897703), (2973, 7020411), (4203, 4965901), (5011, 4165173), (8919, 2340137), (15033, 1388391), (45099, 462797)]