20657658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3301}}^1$

素因数の和:3462

約数の個数: 32

約数和(自身を含む): 47548800

約数和(自身を除く): 26891142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3301, 6258, 6602, 9903, 19806, 23107, 46214, 69321, 138642, 491849, 983698, 1475547, 2951094, 3442943, 6885886, 10328829, 20657658]

約数ペア:

[(1, 20657658), (2, 10328829), (3, 6885886), (6, 3442943), (7, 2951094), (14, 1475547), (21, 983698), (42, 491849), (149, 138642), (298, 69321), (447, 46214), (894, 23107), (1043, 19806), (2086, 9903), (3129, 6602), (3301, 6258)]