20120170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12497}}^1$

素因数の和:12534

約数の個数: 32

約数和(自身を含む): 43193088

約数和(自身を除く): 23072918

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12497, 24994, 62485, 87479, 124970, 174958, 287431, 437395, 574862, 874790, 1437155, 2012017, 2874310, 4024034, 10060085, 20120170]

約数ペア:

[(1, 20120170), (2, 10060085), (5, 4024034), (7, 2874310), (10, 2012017), (14, 1437155), (23, 874790), (35, 574862), (46, 437395), (70, 287431), (115, 174958), (161, 124970), (230, 87479), (322, 62485), (805, 24994), (1610, 12497)]