20938086

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6883}}^1$

素因数の和:6917

約数の個数: 36

約数和(自身を含む): 49131108

約数和(自身を除く): 28193022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6883, 13766, 20649, 41298, 61947, 89479, 123894, 178958, 268437, 536874, 805311, 1163227, 1610622, 2326454, 3489681, 6979362, 10469043, 20938086]

約数ペア:

[(1, 20938086), (2, 10469043), (3, 6979362), (6, 3489681), (9, 2326454), (13, 1610622), (18, 1163227), (26, 805311), (39, 536874), (78, 268437), (117, 178958), (169, 123894), (234, 89479), (338, 61947), (507, 41298), (1014, 20649), (1521, 13766), (3042, 6883)]