20895434833

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1\times {\mathrm{3187}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 26000817920

約数和(自身を除く): 5105383087

約数列:

[1, 7, 13, 91, 109, 661, 763, 1417, 3187, 4627, 8593, 9919, 22309, 41431, 60151, 72049, 290017, 347383, 504343, 936637, 2106607, 2431681, 4515979, 6556459, 14746249, 27385891, 31611853, 191701237, 229620163, 1607341141, 2985062119, 20895434833]

約数ペア:

[(1, 20895434833), (7, 2985062119), (13, 1607341141), (91, 229620163), (109, 191701237), (661, 31611853), (763, 27385891), (1417, 14746249), (3187, 6556459), (4627, 4515979), (8593, 2431681), (9919, 2106607), (22309, 936637), (41431, 504343), (60151, 347383), (72049, 290017)]