20952057

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6197}}^1$

素因数の和:6237

約数の個数: 24

約数和(自身を含む): 33915456

約数和(自身を除く): 12963399

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6197, 18591, 43379, 130137, 142531, 303653, 427593, 910959, 997717, 2993151, 6984019, 20952057]

約数ペア:

[(1, 20952057), (3, 6984019), (7, 2993151), (21, 997717), (23, 910959), (49, 427593), (69, 303653), (147, 142531), (161, 130137), (483, 43379), (1127, 18591), (3381, 6197)]