20279208

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 53061120

約数和(自身を除く): 32781912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 97, 124, 186, 194, 248, 281, 291, 372, 388, 562, 582, 744, 776, 843, 1124, 1164, 1686, 2248, 2328, 3007, 3372, 6014, 6744, 8711, 9021, 12028, 17422, 18042, 24056, 26133, 27257, 34844, 36084, 52266, 54514, 69688, 72168, 81771, 104532, 109028, 163542, 209064, 218056, 327084, 654168, 844967, 1689934, 2534901, 3379868, 5069802, 6759736, 10139604, 20279208]

約数ペア:

[(1, 20279208), (2, 10139604), (3, 6759736), (4, 5069802), (6, 3379868), (8, 2534901), (12, 1689934), (24, 844967), (31, 654168), (62, 327084), (93, 218056), (97, 209064), (124, 163542), (186, 109028), (194, 104532), (248, 81771), (281, 72168), (291, 69688), (372, 54514), (388, 52266), (562, 36084), (582, 34844), (744, 27257), (776, 26133), (843, 24056), (1124, 18042), (1164, 17422), (1686, 12028), (2248, 9021), (2328, 8711), (3007, 6744), (3372, 6014)]