20430774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12473}}^1$

素因数の和:12501

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 34055658

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12473, 24946, 37419, 74838, 87311, 112257, 162149, 174622, 224514, 261933, 324298, 486447, 523866, 785799, 972894, 1135043, 1459341, 1571598, 2270086, 2918682, 3405129, 6810258, 10215387, 20430774]

約数ペア:

[(1, 20430774), (2, 10215387), (3, 6810258), (6, 3405129), (7, 2918682), (9, 2270086), (13, 1571598), (14, 1459341), (18, 1135043), (21, 972894), (26, 785799), (39, 523866), (42, 486447), (63, 324298), (78, 261933), (91, 224514), (117, 174622), (126, 162149), (182, 112257), (234, 87311), (273, 74838), (546, 37419), (819, 24946), (1638, 12473)]