20162728257

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{131687}}^1$

素因数の和:132037

約数の個数: 32

約数和(自身を含む): 32161370112

約数和(自身を除く): 11998641855

約数列:

[1, 3, 7, 21, 23, 69, 161, 317, 483, 951, 2219, 6657, 7291, 21873, 51037, 131687, 153111, 395061, 921809, 2765427, 3028801, 9086403, 21201607, 41744779, 63604821, 125234337, 292213453, 876640359, 960129917, 2880389751, 6720909419, 20162728257]

約数ペア:

[(1, 20162728257), (3, 6720909419), (7, 2880389751), (21, 960129917), (23, 876640359), (69, 292213453), (161, 125234337), (317, 63604821), (483, 41744779), (951, 21201607), (2219, 9086403), (6657, 3028801), (7291, 2765427), (21873, 921809), (51037, 395061), (131687, 153111)]