20687226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1097}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 47433600

約数和(自身を除く): 26746374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 449, 898, 1097, 1347, 2194, 2694, 3143, 3291, 6286, 6582, 7679, 9429, 15358, 18858, 23037, 46074, 492553, 985106, 1477659, 2955318, 3447871, 6895742, 10343613, 20687226]

約数ペア:

[(1, 20687226), (2, 10343613), (3, 6895742), (6, 3447871), (7, 2955318), (14, 1477659), (21, 985106), (42, 492553), (449, 46074), (898, 23037), (1097, 18858), (1347, 15358), (2194, 9429), (2694, 7679), (3143, 6582), (3291, 6286)]