20402886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21121}}^1$

素因数の和:21156

約数の個数: 32

約数和(自身を含む): 48665088

約数和(自身を除く): 28262202

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21121, 42242, 63363, 126726, 147847, 295694, 443541, 485783, 887082, 971566, 1457349, 2914698, 3400481, 6800962, 10201443, 20402886]

約数ペア:

[(1, 20402886), (2, 10201443), (3, 6800962), (6, 3400481), (7, 2914698), (14, 1457349), (21, 971566), (23, 887082), (42, 485783), (46, 443541), (69, 295694), (138, 147847), (161, 126726), (322, 63363), (483, 42242), (966, 21121)]