20377938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{887}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 46715904

約数和(自身を除く): 26337966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 547, 887, 1094, 1641, 1774, 2661, 3282, 3829, 5322, 6209, 7658, 11487, 12418, 18627, 22974, 37254, 485189, 970378, 1455567, 2911134, 3396323, 6792646, 10188969, 20377938]

約数ペア:

[(1, 20377938), (2, 10188969), (3, 6792646), (6, 3396323), (7, 2911134), (14, 1455567), (21, 970378), (42, 485189), (547, 37254), (887, 22974), (1094, 18627), (1641, 12418), (1774, 11487), (2661, 7658), (3282, 6209), (3829, 5322)]