20287365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1913}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 37483776

約数和(自身を除く): 17196411

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 1913, 2121, 3535, 5739, 9565, 10605, 13391, 28695, 40173, 66955, 193213, 200865, 579639, 966065, 1352491, 2898195, 4057473, 6762455, 20287365]

約数ペア:

[(1, 20287365), (3, 6762455), (5, 4057473), (7, 2898195), (15, 1352491), (21, 966065), (35, 579639), (101, 200865), (105, 193213), (303, 66955), (505, 40173), (707, 28695), (1515, 13391), (1913, 10605), (2121, 9565), (3535, 5739)]