20217494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{4013}}^1$

素因数の和:4255

約数の個数: 16

約数和(自身を含む): 33235920

約数和(自身を除く): 13018426

約数列:

[1, 2, 11, 22, 229, 458, 2519, 4013, 5038, 8026, 44143, 88286, 918977, 1837954, 10108747, 20217494]

約数ペア:

[(1, 20217494), (2, 10108747), (11, 1837954), (22, 918977), (229, 88286), (458, 44143), (2519, 8026), (4013, 5038)]