20121506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13763}}^1$

素因数の和:13825

約数の個数: 16

約数和(自身を含む): 32703264

約数和(自身を除く): 12581758

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13763, 27526, 233971, 467942, 591809, 1183618, 10060753, 20121506]

約数ペア:

[(1, 20121506), (2, 10060753), (17, 1183618), (34, 591809), (43, 467942), (86, 233971), (731, 27526), (1462, 13763)]