20158487727

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{18143}}^1$

素因数の和:18647

約数の個数: 32

約数和(自身を含む): 31006789632

約数和(自身を除く): 10848301905

約数列:

[1, 3, 7, 21, 157, 337, 471, 1011, 1099, 2359, 3297, 7077, 18143, 52909, 54429, 127001, 158727, 370363, 381003, 1111089, 2848451, 6114191, 8545353, 18342573, 19939157, 42799337, 59817471, 128398011, 959927987, 2879783961, 6719495909, 20158487727]

約数ペア:

[(1, 20158487727), (3, 6719495909), (7, 2879783961), (21, 959927987), (157, 128398011), (337, 59817471), (471, 42799337), (1011, 19939157), (1099, 18342573), (2359, 8545353), (3297, 6114191), (7077, 2848451), (18143, 1111089), (52909, 381003), (54429, 370363), (127001, 158727)]