20730605847

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1\times {\mathrm{17891}}^1$

素因数の和:20323

約数の個数: 32

約数和(自身を含む): 32978534400

約数和(自身を除く): 12247928553

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2399, 7197, 16793, 17891, 50379, 53673, 55177, 125237, 165531, 375711, 386239, 411493, 1158717, 1234479, 2880451, 8641353, 42920509, 128761527, 300443563, 901330689, 987171707, 2961515121, 6910201949, 20730605847]

約数ペア:

[(1, 20730605847), (3, 6910201949), (7, 2961515121), (21, 987171707), (23, 901330689), (69, 300443563), (161, 128761527), (483, 42920509), (2399, 8641353), (7197, 2880451), (16793, 1234479), (17891, 1158717), (50379, 411493), (53673, 386239), (55177, 375711), (125237, 165531)]