20100689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6571}}^1$

素因数の和:6620

約数の個数: 16

約数和(自身を含む): 25236480

約数和(自身を除く): 5135791

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6571, 45997, 124849, 151133, 873943, 1057931, 2871527, 20100689]

約数ペア:

[(1, 20100689), (7, 2871527), (19, 1057931), (23, 873943), (133, 151133), (161, 124849), (437, 45997), (3059, 6571)]