20797336

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 26595944

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 67, 92, 134, 161, 184, 241, 268, 322, 469, 482, 536, 644, 938, 964, 1288, 1541, 1687, 1876, 1928, 3082, 3374, 3752, 5543, 6164, 6748, 10787, 11086, 12328, 13496, 16147, 21574, 22172, 32294, 38801, 43148, 44344, 64588, 77602, 86296, 113029, 129176, 155204, 226058, 310408, 371381, 452116, 742762, 904232, 1485524, 2599667, 2971048, 5199334, 10398668, 20797336]

約数ペア:

[(1, 20797336), (2, 10398668), (4, 5199334), (7, 2971048), (8, 2599667), (14, 1485524), (23, 904232), (28, 742762), (46, 452116), (56, 371381), (67, 310408), (92, 226058), (134, 155204), (161, 129176), (184, 113029), (241, 86296), (268, 77602), (322, 64588), (469, 44344), (482, 43148), (536, 38801), (644, 32294), (938, 22172), (964, 21574), (1288, 16147), (1541, 13496), (1687, 12328), (1876, 11086), (1928, 10787), (3082, 6748), (3374, 6164), (3752, 5543)]